Red cells take up 40%-50% of the total blood volume
Answer:
Moist walls - gases dissolve in the moisture helping them to pass across the gas exchange surface. Permeable walls - allow gases to pass through. Extensive blood supply - ensuring oxygen rich blood is taken away from the lungs and carbon dioxide rich blood is taken to the lungs.
Answer:
1. The Heartlies in the front and middle of your chest, behind and slightly to the left of your breastbone.
2. Right Atrium, Left Atrium, Right Ventricle, Left Ventricle
3. The valves prevent the backward flow of blood.
4. Arteries carry oxygenated blood while veins carry deoxygenated blood.
5. Eat Healthy, Stay Active
Explanation:
PLZ MARK AS THE BRAINLIEST
HAVE A GOOD DAY
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<h2>
Liver cell Vs Nerve cell</h2>
Explanation:
- b. liver cells can reproduce while the nerve cells cannot.
Liver cells , the fundamental units of liver are called hepatocytes. Hepatocytes secrete bile that helps in digestion by emulsifying fats. Hepatocytes are capable of dividing and they can regenerate damaged parts of the liver.
In contrast,
Nerve cells, the fundamental unit of nervous system are neurons. Neurons are longest cell of the human body and they contain a cell body and a long axon. Neurons conduct nerve impulses. Neurons are incapable of dividing and hence once damaged neuron cannot be replaced.
