Quiz on the Heart and Circulatory System

What is the main function of the heart in the circulatory system?

• To provide oxygen

• To digest food

• To pump blood

• To filter waste

Which of the following is an internal organ?

• Skin

• Ears

• Eyes

• Heart

What do blood vessels do?

• Store nutrients

• Circulate blood

• Produce oxygen

• Remove waste

Which organ is responsible for removing waste products from the blood?

• Lungs

• Heart

• Kidneys

• Stomach

What is the role of blood in the body?

• To provide structure

• To circulate oxygen and nutrients

• To produce energy

• To protect against diseases

Which of the following organs is NOT part of the circulatory system?

• Heart

• Lungs

• Stomach

• Blood vessels

What is the term for organs located on the outside of the body?

• Internal organs

• External organs

• Vital organs

• Accessory organs

What is the primary function of the circulatory system?

• To regulate temperature

• To digest food

• To circulate blood

• To provide support

Which organ is responsible for pumping blood throughout the body?

• Heart

• Lungs

• Brain

• Intestines

What do we call the process of blood moving through the body?

• Circulation

• Respiration

• Digestion

• Excretion