The first is red cell (erythrocyte)
the second is white cell (leukocyte)
b) Which organelle is missing in the red blood cell?
c) Describe a feature that shows the difference between a red blood cell and other cells in the human body.
d) Explain how red blood cells are adapted to perform their function.
e) Describe the functions of white blood cells.
plzz plz help plz

Answer:

Absorption: The process of absorbing nutrients occurs primarily in the small intestine. Once the food is broken down into smaller molecules through digestion, these molecules are absorbed into the bloodstream. For example, carbohydrates are broken down into simple sugars, proteins into amino acids, and fats into fatty acids and glycerol.

Circulatory System: The circulatory system, composed of the heart, blood vessels, and blood, plays a crucial role in transporting absorbed nutrients. The blood vessels form an extensive network that reaches all tissues and organs in the body.

Hepatic Portal System: After absorption, most of the nutrients are transported to the liver through a specialized system called the hepatic portal system. This system ensures that the liver, which performs various metabolic functions, receives a concentrated supply of nutrients before they are distributed throughout the body.

Bloodstream Transport: Once in the bloodstream, nutrients are carried by the plasma, the liquid component of blood. Different nutrients use specific mechanisms for transport:

Glucose: It is transported by facilitated diffusion or active transport, depending on the concentration gradient, with the help of insulin.

Amino Acids: They are transported through the bloodstream by specific carrier proteins.

Fats: Dietary fats are initially packaged into structures called chylomicrons and transported through the lymphatic system before entering the bloodstream. Once in the bloodstream, fats are carried by lipoproteins such as low-density lipoprotein (LDL) and high-density lipoprotein (HDL).

Distribution to Tissues: As the blood circulates, nutrients are distributed to various tissues and organs according to their specific needs. Nutrients are delivered to cells through the capillaries, the smallest blood vessels in the body, which have thin walls that allow for the efficient exchange of nutrients and waste products.

Cellular Uptake: Nutrients are taken up by cells through various mechanisms. For instance, glucose enters cells with the help of insulin, while amino acids are transported into cells through specific carrier proteins. Fats are taken up by cells through receptor-mediated endocytosis or by diffusion.

Metabolism: Once inside the cells, nutrients undergo metabolic processes to produce energy or build new molecules. Glucose, for example, can be metabolized through glycolysis, the Krebs cycle, and oxidative phosphorylation to generate ATP, the cell's energy currency.

Waste Removal: Metabolic byproducts, such as carbon dioxide and urea, are generated during nutrient metabolism. These waste products are transported back into the bloodstream and eventually eliminated from the body through the lungs (carbon dioxide) or the kidneys (urea).

It's important to note that different nutrients may have different transport mechanisms and pathways. The body's ability to efficiently transport and utilize absorbed nutrients is vital for maintaining proper functioning and overall health.

Answer:

It is possible for a perfect flower to be incomplete, but it is not possible for an imperfect flower to be complete.

Explanation:

A flower with male and female parts is called a perfect flower. A flower that is missing male or female parts is an imperfect flower. Plants may have flowers that are complete or incomplete.

Answer:it is need so the exchange of gases can take place.

Explanation:

The growing shoot of a tomato plant is the tissue that is likely to have the largest percentage of cells undergoing mitosis because it has actively dividing cells.

The growing shoot of a tomato plant is responsible for the plant's upward growth and development. It consists of actively dividing cells that undergo mitosis to enable the shoot to increase in size.

This region, called the meristem, is where cell division occurs most rapidly, leading to the production of new cells.

On the other hand, options b, c, and d involve tissues in mature organisms where cell division is not as frequent.

The kidney tissue of an adult panda, the muscle tissue of an elderly human, and the bone tissue of an adult dog are predominantly composed of specialized cells that have already gone through the growth and development phase.

These tissues primarily function to maintain and repair, rather than actively grow.

The growing shoot of a tomato plant is likely to have the largest percentage of cells undergoing mitosis due to the continuous growth and expansion of the plant.

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Answer:

I don't remember much, but I'll try my best.

Explanation:

Over time, sediments rocks pile up to form horizontal layers of sedimentary rocks. The bottom layer of rock forms first, which means it's the oldest. This would mean that while you can't be sure when each layer of sediments formed, each layer is younger than the one below it.

Answer:

Combustion.

Explanation:

For example, when paper is burned oxygen from the air combines with carbon and hydrogen in the paper turning some of it into carbon dioxide and water vapor, which waft away with carbon particulates in the smoke.

Answer:

a microscopic organism, especially a bacterium, virus, or fungus.

Explanation:

This information shows that the decision of one human generation may have an impact on future generations.

We must note that what happens in a generation usually affects the next generation. This is particularly important when considering the release of pollutant materials into the environment.

DDT is a persistent organic pollutant (POP). It is capable of remaining in the environment for a long time.

The impact of the decision of particular generation to use certain chemical substances will continue to resonate far into the future generations.

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Low Enzyme Production is the reason for no breaking down of food.

If the digestion of food did not occur so it means that there is low enzyme production because enzymes are responsible for the breaking down of food substances into simpler ones in order to absorb by the cells for the generation of energy in the form of ATP. So we can conclude that low enzyme production is the only reason for the stopping of breaking down or digestion of food.

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I believe the answer would be aiding in digestion and extracting carbon dioxide from blood.

Explanation: Bone marrow production stops when a child reaches maturity. White blood cells are produced from bone marrow, and O red cells are produced from red bone marrow, leaving the only answer left by process of elimination as B. Kidneys are also responsible for keeping ph balance, sodium and electrolyte balance, along with the balance of other vitamins and minerals in the blood.

Answer:

A. Thin

Explanation:

according to the graph, on day 20 there are more aliens in the thin form than in either of the other two forms. so the form with the highest probability is the form.

Answer:

I think African Elephant

Which animal has the strongest sense of smell?

\(\longrightarrow{\pink{African \:elephant. }}\) 

\(\bold{ \green{ \star{ \orange{Mystique35}}}}⋆\)

Air pollution is a serious problem that can lead to health problems and environmental damage.

The goal of reducing the carbon footprint of employee travel by 20% can be achieved by implementing transportation programs.

Promote telecommuting: Employees can work from home instead of commuting to work. This can be done through a company-wide policy or by providing the necessary equipment to work from home.

Encourage carpooling: Employees can share rides to work with coworkers who live nearby. This can be incentivized by offering preferred parking spots or transportation credits.

Provide public transportation subsidies: Employees can be given subsidies for using public transportation to get to work. This can be done by providing a transit pass or reimbursing employees for transit expenses.

Implement a bike-to-work program: Employees can be encouraged to bike to work by providing bike storage, changing facilities, and safety equipment.

The environmental impact of reducing employee travel is a reduction in greenhouse gas emissions. The social impact is an improvement in the health and well-being of employees who are exposed to less pollution. The economic impact is a reduction in transportation costs for the company.

ROI, payback, and a cost-benefit analysis for a feasibility study are important for determining the effectiveness of transportation programs.

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She conducted an experiment to see that every plant need same type of enviornment or not.

A seed develops into an embryonic plant called a sporophyte, which then becomes a seedling. The germination of the seed initiates seedling development. The radicle (embryonic root), the hypocotyl (embryonic shoot), and the cotyledons are the three primary components of a typical early seedling (seed leaves).

Angiosperms are also referred to as flowering plants since they contain seeds inside of their fruit. Gymnosperms, on the other hand, have bare seeds on the surface of their leaves but no flowers or fruits. The seeds of gymnosperms are arranged like cones.

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Answer:

Explanation:

Yes, It can be happned

The population change so that most of the individuals have orange flowers is an example of directional selection. Thus, the correct option is A.

In population genetics, the directional selection is a mode of negative natural selection through which an extreme phenotype is favored over the other phenotypes in a population, that causes the allele frequency of that particular allele to shift over time in the direction of that particular phenotype.

A population which changes over time so that most of the individuals have orange flowers is an example of directional stabilization.

Therefore, the correct option is A.

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Answer:

I think it is the 3rd one

Explanation:

hope this helps

The group of researchers, who are using satellites to locate and monitor marine plants and algae and estimate how much photosynthesis is occurring in oceans, most likely hope to learn how much oxygen these organisms add to the water.Therefore, the correct option is B.

Marine plants and algae are primary producers in the ocean, which means that they are responsible for producing the majority of the oxygen that is present in the Earth's atmosphere.

By monitoring the amount of photosynthesis that is occurring in the ocean, researchers can estimate how much oxygen these organisms are adding to the water, which can help them better understand how the ocean influences the Earth's overall oxygen levels. Therefore, the correct option is B.

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Answer:testing

Explanation:bytrsting and work you good

The warmth and redness of the surrounding area of the cut is due to the immune system.

Blood carries white blood cells, which attacks pathogens (Cause of infection)

The surface become red  and warm as that is a conjugating area of blood.

Building a dam is an example of a human caused change to the abiotic factors in an ecosystem.

An ecosystem consists of all the organisms and the physical environment with which they interact. These biotic and abiotic components are linked together through nutrient cycles and energy flows. Energy enters the system through photosynthesis and is incorporated into plant tissue.

Ecosystems are organized to better understand the frame of reference in which they are being studied. They are organized from smallest to largest; organism, population, community, ecosystem.

The term "ecosystem" was first used in 1935 in a publication by British ecologist Arthur Tansley. The term was coined by Arthur Roy Clapham, who came up with the word at Tansley's request.

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Answer:

Sink

Explanation:

So here for the explanation when water freezes, it forms crystalline, solid with a lower density. Then it had as a liquid because off this difference in the density, eyes floats on water. Most liquids, such as bending, have a higher density as our solid causing solid benzene to sink in liquid benzene bending is more normal in this behavior.

When sympathetic activation occurs, there is increased activity in the cardiovascular and respiratory centers of the

Pons and medulla oblongata

What is sympathetic activation?

One of the three divisions of the autonomic nervous system, along with the parasympathetic and enteric nervous systems, is the sympathetic nervous system (SANS or SYNS). The enteric nervous system is occasionally regarded as a component of the autonomic nervous system and other times as a separate entity.

The autonomic nerve system controls the body's automatic movements. The major function of the sympathetic nervous system is to activate the body's fight-or-flight response. However, in order to maintain homeostasis, it is continually active. The parasympathetic neural system, which drives the body to "eat and breed" before (then) "rest-and-digest," is said to be antagonistic to the sympathetic nervous system.

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Answer:

it must be controlled or a disease/disorder may result. Your body systems work together to maintain balance.

The correct chronological order in which the hypotheses were proposed, from oldest to most recent, is: 1. Arboreal hypothesis, 2. Visual Predation, 3. Angiosperm Radiation hypothesis.

The arboreal hypothesis, proposed in the early 1900s by British anatomists Sir Grafton Elliot Smith and Frederic Wood Jones, was the first attempt to understand the characteristics of primates in relation to their environment.

In the early 1970s, American anthropologist Matt Cartmill challenged the arboreal hypothesis with the visual predation hypothesis, suggesting that primate characteristics were a result of hunting small prey.

After the visual predation hypothesis, Robert Sussman questioned whether the consumption of fruit had a greater impact on primate evolution, proposing the angiosperm radiation hypothesis. Together, these hypotheses represent a timeline of scientific inquiry into the origins and characteristics of primates.

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Answer:

Answer:

the names of elements from the following symbols :

Explanation:

Answer:

tree

Explanation:

because it may be a plant but its still not bond with plants

The phenomenon in which bacterial regulatory pathways are controlled by the density of cells of their own kind is called quorum sensing. This process involves the secretion of small signaling molecules, known as autoinducers, which can accumulate and bind to specific receptors on nearby bacterial cells once they reach a critical concentration. This initiates a signaling cascade that can lead to changes in gene expression and behavior among the bacterial population.

Quorum sensing is an important mechanism that allows bacteria to coordinate their behavior and regulate their gene expression in response to changes in their environment. It can play a key role in a wide range of bacterial processes, including biofilm formation, virulence, and antibiotic resistance.

Overall, the concept of quorum sensing represents a fascinating example of how bacteria can communicate and cooperate with one another to survive and thrive in their environment. While there is still much to be learned about this complex phenomenon, researchers continue to make exciting discoveries about how it works and how it might be targeted to combat bacterial infections.

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