Circulatory System

What is the main function of the circulatory system?

• Producing red blood cells

• Regulating body temperature

• Transporting oxygen, nutrients, and hormones to cells and removing waste products

• Storing excess nutrients

What are the three main components of the circulatory system?

• lungs, liver, kidneys

• stomach, intestines, pancreas

• brain, spinal cord, nerves

• heart, blood vessels, and blood

What is the name of the largest artery in the human body?

• Femoral artery

• Aorta

• Carotid artery

• Radial artery

What is the name of the smallest blood vessel in the human body?

• bronchus

• capillary

• artery

• vein

What is the average adult heart rate at rest?

• 120-150 beats per minute

• 20-40 beats per minute

• 180-200 beats per minute

• 60-100 beats per minute

What is the name of the liquid part of the blood?

• juice

• plasma

• soda

• milk

What is the role of red blood cells in the circulatory system?

• Producing antibodies

• Regulating body temperature

• Digesting food

• Transporting oxygen and carbon dioxide

What is the name of the valve that separates the left atrium from the left ventricle?

• mitral valve

• aortic valve

• tricuspid valve

• pulmonary valve

What is the name of the process by which blood clots to stop bleeding?

• inflammation

• dehydration

• coagulation

• respiration

What is the name of the upper chamber of the heart?

• aorta

• ventricle

• pulmonary artery

• atrium