Question

1) Ventricles have to pump blood into various organs, they have _____ muscular walls

than the atria do.

2) Valves ensure that blood flow backwards when the atria or ventricles contract.

(True or False)

3) Which animal have three-chambered heart?

4) What is the function of right ventricle & left ventricle?

5) Draw the labelled diagram of a human heart.​

Answer 1

Answer:

1) thick

2) Bicuspid and tricuspid valves

3) Amphibians

4) Right ventricle push blood to the left auricul to purify. left ventricle puss blood to the remotest part of the body.

Answer 2

Answer:

Hey mate, hope this helps you

Explanation:

1. Thick

2.True

3.Amphibians have a three-chambered heart - two atria and one ventricle. Example-Frog

4.In a four-chambered heart, such as that in humans, there are two ventricles that operate in a double circulatory system: the right ventricle pumps blood into the pulmonary circulation to the lungs, and the left ventricle pumps blood into the systemic circulation through the aorta.

5. Attached in file