Which of the following statements is incorrect with reference to breathing in animals?
1. A cockroach breathes through their skin.
2. Earthworm breathes from the openings in the body.
3. Gills in fish are the projections of skin.
Select the correct answer using the codes given below:
1
1 and 2 only
2
2 and 3 only
3
1 and 3 only
4
1, 2 and 3