Question

The number of chambers in the heart of a frog is

• A. One
• B. Two
• C. Three
• D. Four

Answer 1

The correct option is C

Three

The correct option is C.

Explanation of the correct option:

1. Frogs have a three-chambered heart.
2. It consists of two atria and one ventricle.
3. The right atrium receives deoxygenated blood from the body organs.
4. The left atrium receives oxygenated blood from the skin and lungs.
5. Both the atria send the blood to the ventricle.
6. Since there is only one ventricle there is the mixing of both oxygenated blood and deoxygenated blood.

Explanation of the incorrect options:

Option A: One chambered heart is found in Herdmania which is a free-living tunicate found in marine habitats.

Option B: Two chambered heart is found in fishes.

Option D: Four-chambered heart is found in human beings.

Final answer: The number of chambers in the heart of a frog is three.