Cardiovascular System

What is another name for the circulatory system?

• Respiratory System

• Cardiovascular System

• Muscular System

• Pulmonary System

Number of chambers in the heart

• 2

• 4

• 6

• 8

Blood vessels that carry blood AWAY from the heart

• Arteries

• Veins

• Capillaries

• Valves

Blood vessels that carry blood BACK to the heart

• Arteries

• Veins

• Capillaries

• Valves

What is the correct path through the circulatory system which describes the passage of a blood clot originating in the left leg?

• Vena cava → left atrium → left ventricle → lungs → right atrium → right ventricle → aorta

• Vena cava → right atrium → right ventricle → lungs → left atrium → left ventricle → aorta

• Vena cava → left atrium → right atrium → lungs → left ventricle → right ventricle → aorta

• Vena cava → right atrium → left atrium → lungs → right ventricle → left ventricle → aorta

Which of the following is a function of the circulatory system?

• Regulating body temperature

• Producing digestive enzymes

• Synthesizing vitamin D

• Controlling muscle movements

Answer explanation

The circulatory system regulates body temperature by distributing heat throughout the body, making it the correct function out of the given choices.

Blood vessels that are the smallest and connect arteries to veins

• Arteries

• Veins

• Capillaries

• Valves

Valve that connects right atrium to right ventricle

• Mitral or Bicuspid

• Aortic

• Pulmonary

• Tricuspid

Valve that connects left atrium to left ventricle

• Mitral or Bicuspid

• Aortic

• Pulmonary

• Tricuspid

Valve that connects left ventricle to aorta

• Mitral or Bicuspid

• Aortic

• Pulmonary

• Tricuspid