Which of the following statements is/are correct?
1. Dolphins and Whales breathe through blowholes.
2. Earthworm breathe through their skin. Select the correct answer from the code given below:

Correct answer: (b) Both 1 and 2

Explanation

Dolphins and whales are aquatic mammals that breathe air through blowholes (modified nostrils on top of the head) – statement 1 correct.

Earthworms have no lungs; they respire through their moist skin by diffusion of oxygen into blood capillaries – statement 2 correct.

Both statements are therefore true.