How many chambers does the heart have?

Answer 1

The heart has four chambers. There are two types of chambers, the atria and the ventricles. There are a pair of each on the right and left side. Human (mammal) hearts have 4,

reptiles tend to 3, and some organisms go all the way down to one.

Answer 2

Four. The left and right atria (atrium singular), and the left and right ventricles.

Answer 3

four chambers

Answer 4

The human heart has 4 chambers

Answer 5

The heart has four chambers.

Answer 6

Four

Answer 7

1

Answer 8

11

Answer 9

5

Answer 10

6