Circulatory System and Digestive System

This organ pumps blood through your body.

• heart

• artery

• vein

• capillaries

These blood vessels take oxygenated blood to the body cells.

• heart

• artery

• vein

• capillary

Small blood vessels that diffuse oxygen, carbon dioxide, and nutrients.

• heart

• arteries

• veins

• capillaries

The system that breaks down food into nutrients.

• lymphatic

• respiratory

• nervous

• digestive

The 3 main functions of the Circulatory System

• break down food, remove waste, make blood cells

• react to stimuli, grow, adapt

• deliver materials, remove waste, and fight infection

What is the main organ of the circulatory system?

• small intestine

• bone

• lungs

• heart

The heart is about the size and shape of your . . .

• head

• fist

• hand

• foot

______________ are the smallest blood vessels.

• Arteries

• Veins

• Capillaries

The main function of the circulatory system is 

• To give the body structure and support

• Excrete waste

• transport blood, nutrients, and gases throughout the body

• to transport messages from the body to the brain

Which tool is useful for examining the heart

• Electrocardiogram

• Stopwatch

• Treadmill

• Stethoscope