What is the function of platelets?

Helping the blood to clot at a wound

Why does the left ventricle have a thicker, more muscular wall than the right ventricle?

It pumps blood at high pressure all around the body

To allow exchange of substances between blood and cells

Food (sucrose), in either direction

Higher temperature and more air movement (wind)

It has no nucleus, leaving more room for haemoglobin

13questions. Pick an answer and you'll see why right away.

Which blood component carries oxygen?
What is the function of platelets?
Which component of blood transports dissolved nutrients, carbon dioxide and urea?
Why does the left ventricle have a thicker, more muscular wall than the right ventricle?
Which blood vessel carries blood away from the heart at high pressure?
What feature do veins have to prevent the backflow of blood?
Why are capillary walls only one cell thick?
In a double circulatory system, how many times does blood pass through the heart in one complete circuit of the body?
Which vessel carries oxygenated blood from the lungs to the heart?
Which plant tissue transports water and mineral ions from the roots to the leaves?
What does phloem transport, and in which direction?
Which factor would increase the rate of transpiration?
How is a red blood cell adapted to carry more oxygen?