Question

6. Which of the following statements related to capillaries is correct ?

a) It acts as connective link between arteries and veins.
b) These are deeply penetrated inside the
tissues.
c) Help in exchange of materials between blood
and surrounding cells
d) All of the above.


7. Structural and functional unit of kidney is
a) renal pelvis
b) nephridia
c) nephron
d) hilum​

Answer 1

6) The correct option is d) all of the above

7)The correct option is c) nephron

Explanation:

• The capillaries can be defined as the thinnest blood vessels whose main function is to act as a medium for exchange of materials between the blood and the body tissues. They serve as a link between the other two blood vessels i.e arteries and veins and are penetrated deep inside a tissue.

• The nephron is termed as the structural and functional unit of the kidney as it is involved in blood filtration and re absorption of water and minerals in the body.

Answer 2

The correct option of Q6 is (d)
The correct option of Q7 is (c)