Question

3. Oxygen-poor blood enters the heart through the______

a) right atrium
b) right ventricle
c) left atrium
d) left ventricle

4. The________,________
carries
oxygen-poor
blood to the lungs.

a) pulmonary artery
b) pulmonary vein
c) carotid artery
d) vena cava

5. Which of the following is not a function of the circulatory system?

a) transporting oxygen to all parts of the body
b) transporting nutrients to all parts of the body
c) collecting waste and carbon dioxide from all parts of the body
d) storing waste and excreting it when necessary​

Answer 1

Answer:

3. Right Atrium.

4. Pulmonary Artery.

5. Storing waste and excreating it when necessary.

May be help it.

Answer 2

Answer:

3rd a. Right atrium

4th a. pulmonary artery

5th d. storing waste and excretingit when necessary