7. (a)
(i) Name the chamber of the heart that receives blood back from the lungs - Leaving Cert Biology - Question 7 - 2006
Question 7
7.
(a)
(i) Name the chamber of the heart that receives blood back from the lungs.
(ii) Name the blood vessels that bring this blood back from the lungs.
(b... show full transcript
Worked Solution & Example Answer:7. (a)
(i) Name the chamber of the heart that receives blood back from the lungs - Leaving Cert Biology - Question 7 - 2006
Step 1
Name the chamber of the heart that receives blood back from the lungs.
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Answer
The chamber of the heart that receives blood back from the lungs is the left atrium (also known as the auricle).
Step 2
Name the blood vessels that bring this blood back from the lungs.
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Answer
The blood vessels that bring blood back from the lungs are the pulmonary veins.
Step 3
What instrument did you use for the dissection?
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Answer
The instrument used for the dissection is typically a scalpel or scissors.
Step 4
Describe how you carried out the dissection.
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Answer
To carry out the dissection, place the heart ventral side up to identify the left and right sides. Carefully make a section to expose the left ventricle and then use additional incisions to expose the right ventricle. Secure the heart with pins to facilitate view and allow for safety precautions.
Step 5
Draw a diagram of the dissected heart and on it label the following: bicuspid valve, left ventricle, right atrium, tricuspid valve.
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Answer
In the diagram of the dissected heart, ensure to clearly label the bicuspid valve, left ventricle, right atrium, and tricuspid valve for proper identification.
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