_________ helps in the exchange of gases.

____________ helps  in transpiration.

__________ is found in the nasal passages, taste buds, retina of eyes, and epidermis of earthworm.

Blood and lymph constitute the ______.

Epidermis is a ____________ tissue.

Tendon is a __________ tissue.

Ligaments are made up of _____________.

Xylem and phloem are the _____________of the plant body.

________________ muscles are voluntary.

The muscles that occur in the limbs, body wall, face and neck are __________.