Question

3) Which of the following is not a product of aerobic respiration ?
a) carbon dioxide b) alcohol
c) energy
d) water vapour
4) The animal which can breathe through the lungs as well as through skin is-
a) fish
b) dolphin
c) frog
d) crocodile
5) Which of these are air sacs in the lungs ?
a) bronchi
b) tracheae
c) alveoli
d) spiracles
6) Earthworms breathe using
a) lungs
b) spiracles
c) moist skin d) gills
7). The size of the chest cavity increases during inhalation.
a) True
b) False
​

Answer 1

Answer:

Carbon dioxide, dolphin, bronchi, gills, true

Explanation:

Is the right answer

Answer 2

Explanation:

3.b.alcohol

4.c.frog

5.

6.spiracles

7.true