Download Cardiovascular system class notes

Name: _______________________________________
The Cardiovascular System
The cardiovascular system is a body system that includes the ________________,
_________________, and _______________________________________. Its main job is to transport
_______________ and _________________ to cells in the body. It also picks up _______________ to
be eliminated from the body.
THE HEART:

The heart is a _________________, muscular organ. Its main function is to ______________
______________________ throughout the body.

The human heart contains four chambers:

1) ______________________________
2) ______________________________
3) ______________________________
4) ______________________________
___________________: open and close to allow blood to flow in only one direction
through the heart.
THE BLOOD VESSELS:

Blood vessels are ___________ in the body through which blood _________________.

_______________________________: a type of blood vessel that carries blood away from
the heart.

_______________________________: a type of blood vessel that carries blood to the heart.

______________________________: the smallest kind of blood vessel through which
materials are exchanged between blood and body cells.
BLOOD:

White blood cells _________________ infection and kill germs.

Red blood cells deliver ___________________ from the lungs to the rest of the body and
transport carbon dioxide from the body to the lungs.

Platelets are small blood cells that help blood to _______________, or stop bleeding.

____________ is a straw colored liquid component of blood that normally holds
the blood cells. It makes up about 55% of the body's total blood volume.