Question

(a) Draw a sectional view of the human heart and label on it Aorta, Right Ventricle and Pulmonary Vein.
(b) State the functions of the following components of transport system:
​(i) Blood (ii) Lymph

Answer 1

(a)

(b) (i) Functions of blood -

• transports hormones and nutrients throughout the body
• transports oxygen to cells and removes carbon dioxide
• maintains the body temperature

(ii) Functions of lymph -

• contains lymphocytes that are involved in immune response
• carries nutrients, hormones, etc.
• absorbs fats in lacteals (found in intestinal villi)