Question

(c) Gills
A. Tick the correct answer
1. During inhalation, diaphragm
(b) And rib muscles both relas
(a) Relaxes and rib muscles contract
(c) Contracts and rib muscles relax
2. Which of the following is not associated with respiration?
(d) Trache
(a) Lungs
(b) Pharynx
3. Exhaled air contains more
(a) Oxygen
(b) Carbon dioxide
(c) Nitrogen
(d) Oxygen and nitrogen
4. The breathing rate in humans under normal conditions is
(a) 16-18 times (b) 20-25 times
5. Which of the following respire(s) only anaerobically
(a) Cockroach
(b) Yeast
(c) Frog
(d) All baden
6. Exchange of gases in lungs between air and blood is called
(a) Respiration
(b) Cellular respiration
(c) External respiration
(d) Internal respiration
c
(d) And rib muscles both contra
(30-32 times. (d) 18-20 times​

Answer 1

Answer:

...

lungs

carboh dioxide

20-25

...

b

Explanation:

Answer 2

Answer:

1. c

2.b

3. b

4. a

5. b

6. b

............hope it is helpful