Question

(a) Draw a sectional view of human heart and label, on it: (i) Aorta (ii) Right ventricle and (iii) Pulmonary veins.

(b) State the role and functions of: (i) blood (ii) lymph in human transport system.

Answer 1

Hey user ...
⭐Blood has many different functions, including:

transporting oxygen and nutrients to the lungs and tissues.

forming blood clots to prevent excess blood loss.

carrying cells and antibodies that fight infection.

bringing waste products to the kidneys and liver, which filter and clean the blood.

regulating body temperature.
⭐LYMPH --
Their job is to filter out and trap bacteria, viruses, cancer cells, and other unwanted substances, and to make sure they are safely eliminated from the body.

Answer 2

Dear Students,

[Refer to image for well-labelled diagram of sectional view of heart.]

◆ Function of blood -

1. transports oxygen from lungs to heart to body tissues
2. carries CO2 from body tissues to heart to lungs
3. transports waste products from cells to kidneys
4. provides nutrients to every part of body

◆ Functions of lymph -

1. drains excessive fluid from tissues
2. removes cell debris from the body
3. carries clear fluids back to blood
4. transports fat from intestine to liver

Hope this helped you.