Name:
Grade & Sec.
THE CIRCULATORY SYSTEM
22
Go to the library to find out about the circulatory system. Then fill in the
blanks below using words from the box.
1. The
human body. It carries food and air to every
carries things throughout the
in the body.
2. The three most important parts of the system are the
and blood
pumps
through the blood
carries food and a gas called.
ccll.
and the gas.
3. Blood is a
celis,
It has some solid parts called
blood cells, and
4. The
5.
6.
They help kill
The
The blood
in one direction. It takes food,
in another direction.
The liquid part of blood is called
blood
Lis a pumping organ with four hollow
The heart pumps blood to the body through
Blood comes back to the heart through
blood cells carry oxygen to the body. The chemical
makes the blood look red.
blood cells are needed to fight
7. The
system is well-named because the
goes in a "circle" that starts in the pumping
moves through the whole
and comes
back to the
again.
body
veins
cell
heart
red
circulatory system
chambers liquid oxygen plasma platelets vessels hemoglobin
disease wastes blood white arteries bacteria
carbon dioxide
​