Question

Describe the functions of the following - 1.heart,
2.blood vessels,
3.red blood cells,
4.white blood cells,
5.platelets. ​

Answer 1

Answer:

1) to pump blood

2)to transport blood

3)carry oxygenated blood

4)to fight against microorganisms and protect the body

Answer 2

Answer:

1.HEART

• The heart functions as the engine in the body by pumping blood to all body parts.

2. BLOOD VESSELS

• The blood vessels are the body pipes, they transport blood from the body parts to the heart
• they also transport nutrients from the gut to the rest of the body; say the coronary vessels that supply nutrients to the heart

• they are the main transport ways for the hormones

3. WHITE BLOOD CELLS

•     white blood cells defend the body against invasiomn by pathogens and external antigens.
•     also digest the worn out cells in the body that would accumulate and causeharm to the living cells

4.    PLATELETS

• plateletes are responsible for blood clotting incase of an injury

Explanation:

the heart does it's function because it generates the force from it's myogenic muscles.

white blood cells protect the body against pathogens by engulfing them. digest worn-out cells

plateletes have calcium and vitamin k that  speed the rate of blood clotting