2. Respiratory System
• Takes in oxygen from the air that you breathe.
• Lungs are the main structures in this system.
3. Respiratory System
• Air enters your body
through nose or
mouth, moves down
your throat & passes
through the trachea or
windpipe, then to your
lungs.
4. Respiratory System
• Oxygen is taken into
your blood and carbon
dioxide leaves your
blood.
• Your diaphragm lies
below the lungs. The
diaphragm & muscles
around it tighten and
relax to make you
breathe in and out.
6. Circulatory System
• Carries oxygen, food, &
waste throughout the
body
• Made up of the
heart, blood
vessels, and blood
7. Circulatory System
• Heart is the center of
this system, it pumps
blood through blood
vessels called arteries.
• Heart is also called the
cardiovascular muscle.
8. Circulatory System
• Blood moves from
arteries into capillaries.
• In the capillaries oxygen
& food move from the
blood to the body’s cells
• Blood then moves
through veins back to the
heart.
9. Circulatory System
• The circulatory system
also works with the
respiratory and
digestive systems.
10. Circulatory System
• Respiratory system gives oxygen & the circulatory
system takes that oxygen to other cells.
• Digestive system breaks down food & the circulatory
system carries the nutrients to cells in the body.
