Circulatory System

What is the main organ of the circulatory system?

• small intestine

• bone

• lungs

• heart

What is the Circulatory System?

• How human breathe

• Sends messages to the brain on what is being seen

• It transfers nutrients and oxygen through your blood throughout your body

• Breaks down food

What is the atrium?

• How we think

• The upper chamber on each side of the heart.

• The lower chamber on each side of the heart.

• Where humans breathe

What is the ventricle?

• The lower part of the liver

• The upper part of the brain

• The upper chamber on each side of the heart.

• The lower chamber on each side of the heart.

What do the arteries do?

• Carry blood away from the heart to all parts of the body

• Carry blood from the brain to all parts of the body

• Carry blood from the lungs to all parts of the body

• Carry blood from the feet to all parts of the body

What do the veins do?

• Carry waste back to the heart

• Carry carbon dioxide back to the heart

• Carry oxygen back to the heart

• Carry blood back to the heart

What are Capillaries?

• The small blood vessels that connect the lungs and oxygen.

• The small blood vessels that connect the arteries and veins.

• The small blood vessels that connect the arteries and legs.

• The small blood vessels that connect the brain and heart.

Tiny blood cells that carry oxygen to all parts of the body.

• Plasma

• Platelets

• White Blood Cells

• Red Blood Cells

Help the body to fight diseases and infections.

• Plasma

• White Blood Cells

• Red Blood Cells

• Platelets

The liquid part of blood.

• White Blood Cells

• Platelets

• Red Blood Cells

• Plasma