1. Learning Target: Identify the main function of the circulatory system Science Starter: What is the purpose of the circulatory/cardiovascular system?

2. ANNOUNCEMENTS: 1. Homework #25 due 2
ANNOUNCEMENTS: 1.Homework #25 due 2. Homework #26 (purple) Question of the day 3. Homework pass table winner 4. Worth the Wait forms due FRIDAY 5. Computer LAB 310—Tuesday and Wednesday

3. Cardiovascular/Circulatory System

4. Cardiovascular System
Cardio = “heart” Vascular = “vessels”

5. Cardiovascular System
Cardio = “heart” Vascular = “vessels”
Made up of heart, vessels, and blood

6. Cardiovascular System
Cardio = “heart” Vascular = “vessels”
Made up of heart, vessels, and blood
Closed system—blood stays inside the vessels

7. Cardiovascular System
Cardio = “heart” Vascular = “vessels”
Made up of heart, vessels, and blood
Closed system—blood stays inside the vessels
Blood only flows one-way

8. What is another name for the cardiovascular system?
Respiratory system
Circulatory system
Immune system
Skeletal system 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31

9. Types of Blood Vessels
Arteries—move
blood away from
the heart

10. Types of Blood Vessels Arteries—move blood away from the heart
Veins—move blood
toward the heart

11. Types of Blood Vessels Arteries—move blood away from the heart
Veins—move blood
toward the heart
Capillaries—
microscopic blood
vessels that connect
arteries & veins

12. Which one of these vessels carries blood away from the heart?
Pulmonary vein
Renal vein
Renal artery
Superior vena cava 5 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31

13. Functions of the Blood
Carries oxygen from lungs to all body cells & removes carbon dioxide from the cells

14. Functions of the Blood
Carries oxygen from lungs to all body cells & removes carbon dioxide from the cells
Carries waste products of cell activity to kidneys to be removed from the body

15. Functions of the Blood
Carries oxygen from lungs to all body cells & removes carbon dioxide from the cells
Carries waste products of cell activity to kidneys to be removed from the body
Transports nutrients from digestive system to body cells

16. Functions of the Blood
Carries oxygen from lungs to all body cells & removes carbon dioxide from the cells
Carries waste products of cell activity to kidneys to be removed from the body
Transports nutrients from digestive system to body cells
Materials in blood help fight infection and heal
wounds (white
blood cells &
platelets)

17. Which 2 substances does the blood transport away from body cells?
Oxygen & carbon dioxide
Carbon dioxide & waste
Nutrients & waste
Oxygen & nutrients 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31

18. What parts of the blood help fight off disease and heal injuries?
white blood cells & platelets
red blood cells & platelets
white blood cells & red blood cells
white blood cells & plasma 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31

19. Which is not a function of the cardiovascular system?
Carry nutrients & oxygen to body cells
Carry carbon dioxide & waste away from body cells
Attack disease-causing bacteria
Produce chemicals that control body processes 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31

20. The Heart Add these labels to your heart diagram!
(2) superior vena cava
The Heart
CO2 from body
Add these
labels to your
heart diagram!
CO2 from body
(6) inferior vena cava

21. The Heart pg.38 workbook (3) right atrium (5) right ventricle
CO2 from body
(3) right atrium
(4) valve
(5) right ventricle
CO2 from body

22. The Heart (7) pulmonary artery CO2 from body CO2 to lungs CO2 to lungs

23. The Heart (7) pulmonary artery (8) pulmonary vein CO2 to lungs
O2 from lungs
O2 from lungs
(8) pulmonary vein

24. The Heart (9) left atrium (11) left ventricle O2 from lungs
(10) valve
(11) left ventricle

25. O2 to body
The Heart
(1) aorta
O2 from lungs
O2 from lungs
O2 to body

26. The Heart Anatomy of the Heart (12) septum O2 to body CO2 from body
CO2 to lungs
CO2 to lungs
Anatomy of the
Heart
O2 from lungs
O2 from lungs
(12) septum
CO2 from body
O2 to body

27. What force causes blood to keep flowing through the body?
The opening & closing of the valves in the heart
Gravity pushing blood through the veins
Cardiac muscle in the heart contracting and relaxing
Cardiac muscle in the blood vessels contracting and relaxing 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31

28. What is this chamber called?
Right atrium
Left atrium
Right ventricle
Left ventricle 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31

29. When blood enters the left atrium from the lungs, what does it contain?
No oxygen or carbon dioxide
Equal amounts of oxygen and carbon dioxide
Mostly carbon dioxide
Mostly oxygen 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31

30. What is this structure called?
Superior vena cava
Aorta
Left atrium
Valve 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31

31. Summary St Joseph’s Heart Song Pulmonary artery (O2 poor) lungs
Pulmonary vein
(O2 rich)
Summary
St Joseph’s Heart Song
Veins
(O2 poor)
Arteries
(O2 rich)
body