1
THE HEART
Ross & Wilson Chapter 5
1. POSITION OF THE HEART.
i. In which body cavity does the heart lie?
ii. What is the name of the space between the lungs in which the heart lies?
iii. What structures surround the heart?
2. THE STRUCTURE
i. THE HEART WALL.
a. How many layers?
b. Name them.
c. What is their position in relation to each other?
d. Briefly outline the structure of each layer.
e. Label the diagrams:
ii. INTERIOR OF THE HEART
Draw a simple sketch of the heart and label it after
answering the following:.
a. How many sides does the heart have?
b. What divides the sides?
c. How many chambers does the heart have?
d. What are the upper chambers called?
e. What are the lower chambers called?
f. What separates the upper chambers from the lower
chambers? THE HEART
g. How are these structures different to one another?
h. What are the functions of these structures?
i. What causes them to open and close?
j. What prevents them from opening when the lower chambers contract?
k. Name and differentiate between similar structures found between the right ventricle and
pulmonary trunk and the left ventricle and aorta.
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l. Label the diagram below:
3. CORONARY CIRCULATION
a. Name the arteries supplying the heart.
i. Which heart chamber receives most of the blood supply?
ii. What % of the blood pumped from the heart is received by these arteries?
b. The cardiac veins join to form which structure?
i. Into which chamber of the heart does this structure empty?
4. BLOOD FLOW THROUGH THE HEART
a. Using the diagram below illustrate the journey blood takes through the heart.
i. Indicate clearly deoxygenated and oxygenated blood.
ii. Name the structures involved.
Page 2 of 7
THE HEART
Ross & Wilson Chapter 5
1. POSITION OF THE HEART.
i. In which body cavity does the heart lie?
ii. What is the name of the space between the lungs in which the heart lies?
iii. What structures surround the heart?
2. THE STRUCTURE
i. THE HEART WALL.
a. How many layers?
b. Name them.
c. What is their position in relation to each other?
d. Briefly outline the structure of each layer.
e. Label the diagrams:
ii. INTERIOR OF THE HEART
Draw a simple sketch of the heart and label it after
answering the following:.
a. How many sides does the heart have?
b. What divides the sides?
c. How many chambers does the heart have?
d. What are the upper chambers called?
e. What are the lower chambers called?
f. What separates the upper chambers from the lower
chambers? THE HEART
g. How are these structures different to one another?
h. What are the functions of these structures?
i. What causes them to open and close?
j. What prevents them from opening when the lower chambers contract?
k. Name and differentiate between similar structures found between the right ventricle and
pulmonary trunk and the left ventricle and aorta.
Page 1 of 7
, 2
l. Label the diagram below:
3. CORONARY CIRCULATION
a. Name the arteries supplying the heart.
i. Which heart chamber receives most of the blood supply?
ii. What % of the blood pumped from the heart is received by these arteries?
b. The cardiac veins join to form which structure?
i. Into which chamber of the heart does this structure empty?
4. BLOOD FLOW THROUGH THE HEART
a. Using the diagram below illustrate the journey blood takes through the heart.
i. Indicate clearly deoxygenated and oxygenated blood.
ii. Name the structures involved.
Page 2 of 7
