Exploring the Circulatory System

What is the main function of the circulatory system?

• To digest food

• To transport blood and nutrients throughout the body

• To control body temperature

• To produce hormones

Which organ is primarily responsible for pumping blood in the circulatory system?

• Lungs

• Liver

• Heart

• Kidneys

What type of blood vessel carries blood away from the heart?

• Veins

• Arteries

• Capillaries

• Lymph vessels

What is the largest artery in the human body?

• Pulmonary artery

• Coronary artery

• Aorta

• Carotid artery

Which component of blood is responsible for carrying oxygen?

• White blood cells

• Platelets

• Plasma

• Red blood cells

What is the function of the veins in the circulatory system?

• To carry blood away from the heart

• To carry blood towards the heart

• To exchange gases with tissues

• To filter waste from the blood

Which part of the heart receives oxygen-poor blood from the body?

• Left atrium

• Right atrium

• Left ventricle

• Right ventricle

What is the name of the tiny blood vessels where the exchange of gases occurs?

• Arteries

• Veins

• Capillaries

• Venules

Tags

NGSS.MS-LS1-3

Which of the following is NOT a component of blood?

• Plasma

• Hemoglobin

• Lymph

• Platelets

What is the liquid part of blood called?

• Plasma

• Serum

• Hemoglobin

• Lymph