1. Cardiovascular System

2. Vocabulary: 324 1. brady- 2. diastol- 3. systol- 4. tachy- 5. ventr-
6. embol-

3. Functions/Parts A. Nutrients and/or electrolytes B. Gases
1. Exchange particles through blood flow
A. Nutrients and/or electrolytes
B. Gases
C. Waste Products

4. Functions/Parts
2. Pulmonary Circuit

5. 3. Systemic Circuit

7. Vessels
CLOSED CIRCUIT!!!

8. Pathway
HAacvVH

10. Arteries and Arterioles
A. Strong, elastic vessels made of:
Endothelium
Smooth Muscle

12. B. Smooth muscle contraction
Stimulus to the muscle can make two things happen.

13. 1. Vasoconstriction:
Muscles Contract
Vessel Diameter decreases

14. 2. Vasodilation
Muscles Relax
Vessel Diameter increases

15. Capillaries

17. Smallest diameter blood vessels, made up of simple squamos endothelium
Capillaries
Smallest diameter blood vessels, made up of simple squamos endothelium

19. Pulmonary
Systemic
Diffuses out ?
Diffuses into

20. Pulmonary
Systemic
Diffuses out
CO2 O2
Nutrients
Diffuses into
CO2,
Waste Pro.

21. Return blood from capillaries to the atria (heart)
Veins and Venules
Return blood from capillaries to the atria (heart)

22. Veins and Venules
A. Thinner walls with less developed muscle

23. Veins and Venules
B. VALVES
One-way
Prevent back flow