Q47 of 367 Page 73

With which human organ systems (or human systems) are the following associated?
(i) vena cava

(ii) glomerulus

(iii) alveoli

(iv) villi

(i) Vena cava is associated with human circulatory system.

(ii) Glomerulus is associated with human excretory system.

(iii) Alveoli is associated with human respiratory system.

(iv) Villi is associated with human digestive system.

What is hypertension? Why is it caused? What harm can it do?

What are the various components of blood? State their functions.

What is meant by 'systolic pressure' and 'diastolic pressure'? What are their normal values?

What is meant by 'heart beat' ? What is the usual heart beat rate at rest?

With which human organ systems (or human systems) are the following associated?(i) vena cava(ii) glomerulus(iii) alveoli(iv) villi