Question

A two-chambered heart is present in ___.

Answer 1

Fish:

1. Fish are aquatic animals
2. They are cold-blooded organisms.
3. They often use gills to breathe.
4. They have streamlined bodies which reduces friction while swimming.
5. Fins help fish to propel in water.
6. Fish have two-chambered hearts.

Final Answer: A two-chambered heart is present in fish.