Human Circulatory System

The _____ pumps blood throughout the body through a closed system of tubes.

• blood vessels

• arteries

• heart

• veins

What is the circulatory system?

• It works to transport oxygen and nutrients. It also works to remove carbon dioxide and other waste products.

• It works to excrete waste products.

• The network of organs and tissues that help you breathe.

• Breaks nutrients into parts small enough for your body to absorb and use for energy, growth, and cell repair.

Which of the following does NOT belong to the group?

• capillaries

• lungs

• veins

• arteries

Circulatory system is made up of _____, _____ _______ and _____.

• lungs, ribs and diaphragm

• liver, large intestine and pancreas

• heart, blood and blood vessels

• cranium, sternum and femur

_____ carry blood from the body cells back to the heart.

• heart

• capillaries

• veins

• arteries

Blood vessels that carry blood away from the heart are called ________.

• capillaries

• arteries

• heart

• blood

Blood moves from arteries to veins through tiny blood vessels called ___________.

• blood

• oxygen

• veins

• capillaries

These tubes that carry the blood are called _____________.

• heart

• blood vessels

• lungs

• trachea

The heart, blood, and blood vessels made up the _____________ system.

• digestive

• respiratory

• excretory

• circulatory

Which of the following does NOT belong to the group?

• liver

• blood

• veins

• capillaries