Question

I Fill in the blanks
1.)_________respiration takes place without oxygen in the cells of all organisms.
2.) Inhaled air contains__________percent of oxygen. yeast respire__________and yield alcohol.
4. A large muscular sheet called______________forms the floor of the chest cavity.
5. A cockroach has small openings on the sides of its body called______________
6. The air tubes of insects are called_________________
7. The openings through which we inhale are called__________​

Answer 1

Answer:

1) Anaerobic respiration takes place without oxygen in the cells of all organisms.

2) Inhaled air contains 21% percent of oxygen. yeast respire anaerobically and yield alcohol.

4) A large muscular sheet called diaphragm forms the floor of the chest cavity.

5) A cockroach has small openings on the sides of its body called spiracles.

6) The air tubes of insects are called tracheae.

7)The openings through which we inhale are called nose .

Answer 2

Answer:

1.) anaerobic respiration takes place without oxygen in the cells of all organisms.

2.) Inhaled air contains 20.95 percent of oxygen.

3.)yeast respire anaerobically and yield alcohol.

4. A large muscular sheet called diaphragm forms the floor of the chest cavity.

5. A cockroach has small openings on the sides of its body called spiracles

6. The air tubes of insects are called trachea

7. The openings through which we inhale are called nostrils

HOPE IT HELPS …

MARK ME AS BRAINLIEST ❤️