Cardiovascular System

Which one of the following is not a function of the cardiovascular system

• Regulates body temperature

• Removes waste products

• Production of red and white blood cells

• Transports oxygen

What is the function of the pulmonary and systemic circuits?

• In the pulmonary circuit the blood travels from the right side of the heart to the lungs. In the systemic circuit blood travels from the left side of the heart to all body parts.

• In the pulmonary circuit the blood travels from the left side of the heart to the lungs. In the systemic circuit blood travels from the right side of the heart to all body parts.

What valve prevents blood going back into the right atrium?

• Tricuspid valve

• Pulmonic valve

• Aortic valve

• Mitral valve

Oxygenated blood travels back to the heart and enters the left atrium via the....

When the right ventricle contracts and pumps oxygenated blood, what takes it to the lungs?

The arteries that branch into smaller arteries are called....

What is the role of the precapillary sphincters?

• Decrease blood pressure

• Regulate blood flow

• Prevent blood backflow

What happens in the capillaries to help get rid of waste products?

What is the only vein which does not transport deoxygenated blood from the body to the heart?

Heart rate is the number of what per minute?