3. •1. Is exercise important for the
heart?
•2. What is the size of your
heart?
•3. Where is it located?
4.
5.
6.
7.
8.
9.
10.
11. • 1. What are the parts of the heart?
•2. How does the heart work?
•3. How many liters of blood does the heart pump
in
1 hour? (1 Quart=0.946L)
•4. What are the types of circulation?
12. THE HEART
1.Parts of the heart:
a. Upper chamber: left atrium and right
atrium
b. Lower chamber: left ventricle and right
ventricle
c. valves = prevents blood from flowing
backwards through the
chambers of the heart
21. • The heart is a hollow, muscular organ.
• The size of a person’s fist.
• The heart acts as a pump. It pumps blood (oxygenated,
deoxygenated) throughout the body.
• Blood vessels carry the blood throughout the body.
• arteries, veins, capillaries
31. 2. WHAT IS THE DIFFERENCE BETWEEN
OXYGENATED AND DEOXYGENATED
BLOOD?
32.
33. 2.
• Oxygenated blood enters the heart via the pulmonary vein
and carries oxygen rich blood.
• Deoxygenated blood is blood without oxygen and passes
through the right atriu of the heart
34. ASSIGNMENT:
•1. What is heart rate?
•2. What are the diseases that can harm the
circulatory system?
35. HOW DOES ONE’S LIFESTYLE AFFECT THE
FUNCTIONING OF THE CIRCULATORY
SYSTEM?
