Red Blood Cells (CO2)
Red Blood Cells (O2)
Red Blood Cells (O2)
Red Blood Cells (O2)
Carbon Dioxide Diffuses
Red Blood Cells (CO2)
Oxygen Diffuses
Red Blood Cells (CO2)
Red Blood Cells (CO2)

Lung Lobe

Circulatory System

Capillaries

Veins

Heart

Arteries

Arteries

Nervous Sytem

Nervous Tissue

Diaphragm

Repiratory System

Alveoly

Contains Nerve Cells

Veins

Blood which contains red blood cells flows through blood vessels this includes capillaries, veins, arteries, and smaller blood vessels. The heart acts as a pump which works to pump the blood around the body through blood vessels. Arteries are blood vessels which have blood that flows away from the heart. Veins are blood vessels which have blood that flows into the heart.

Smaller Blood Vessels

Nerve cells

Helps us to breath.