Circulatory System

Recall the primary function of the circulatory system.

• To give us a pulse.

• To keep wastes in circulation, so that they poison your cells.

• To transport food and oxygen to all cells of the body.

• To make patterns on our body out of veins

Recall what components make up the circulatory system. (Select 3 options)

• Blood Vessels

• Brain

• Blood

• Stomach

• Heart

Recall what fluid contains cells that transport food and oxygen around the body.

• Blood

• Water

• Gastric Juice

• Bile

The vessels that transport blood from one part of the body to another are know as ______ __________.

Blood is important, because it contains ______ that carry food and oxygen to all the cells of our body, allowing them to survive.

In your own words, explain each of the components that make up the circulatory system and describe what they all work together to do.

Recall what deoxygenated blood is.

• Blood that is grey is apperance.

• Blood is low in oxygen.

• Blood high in oxygen.

• Blood that is green in appearance.

State how big (approximately) the heart is.

• The size of two closed fists.

• The same size as you brain.

• The same size of your liver.

• The size of a closed fist.

The heart beats without having to be told to. This is because the heart has a natural pacemaker.

Recall what this is called.

• Sinoatrial node

• Heart valve

• Heart atria

• Aorta

Recall what a receiving chamber of the heart is called.

• The septum

• The ventricle

• The atrium

• The sinoatrial node