1. Circulatory System Blood Vessels

2. Blood vessels __________ arterioles __________ venules __________
veins
artery
arterioles
venules
arterioles
__________
venules
__________

3. Arteries: Built for their job
________________
__________________________
_____________________
provide strength for high pressure pumping of blood
elastic & stretchable

4. Major arteries ________ __________= to head to brain & left arm
to right arm
to body
___________ ________
___________ __________= to lungs
coronary arteries

5. Coronary artery bypass
bypass surgery

6. Veins: Built for their job
Blood flows
toward heart
_______________________
______________________
blood travels back to heart at low speed & pressure
why low pressure?
far from heart
blood flows because muscles contract when we move
squeeze blood through veins
valves in large veins
in larger veins one-way valves allow blood to flow only toward heart
Open valve
Closed valve

7. Major Veins _____________ ____________= from upper body
___________ __________= from lung
__________ _________= from lung
__________ _____________= from lower body

8. Structure-function relationship
____________________
__________________
__________________ __________________ __________________ __________________
__________________ __________________
body cell
waste
CO2 O2
food

9. Circulation of Blood 2 part system Circulation to lungs
____________________
____________________ ____________________
Circulation to body
lungs
heart
body
Circulation to body

10. Vertebrate circulatory system
2 part system
lungs
artery to lungs
vein from lungs to heart
heart
vein from body to heart
artery
to body
body

11. Stops along the way… Lungs Small Intestines Large Intestines Liver
______________________ ______________________
Small Intestines
Large Intestines
Liver

12. More stops along the way…
Kidneys
_____________________ _____________________
Bone
Spleen

13. Circulatory System & Homeostasis
ATP
Homeostasis
keeping the internal environment of the body balanced
___________________________________
Exercise
___________________________
need more ATP
bring in more O2 & food; remove more CO2 & waste out
Disease
_____________________________________
need to work harder to bring in O2 & food & remove wastes
CO2 O2
food
waste

14. Have a heart? Ask Questions!!