(a) (i) Name the type of muscle found in the heart - Leaving Cert Biology - Question 9 - 2019
Question 9
(a) (i) Name the type of muscle found in the heart.
(ii) Name the blood vessel that provides the heart muscle with oxygen.
(b) Answer the following questions in r... show full transcript
Worked Solution & Example Answer:(a) (i) Name the type of muscle found in the heart - Leaving Cert Biology - Question 9 - 2019
Step 1
Name the type of muscle found in the heart.
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Answer
The type of muscle found in the heart is called cardiac muscle.
Step 2
Name the blood vessel that provides the heart muscle with oxygen.
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Answer
The blood vessel that provides the heart muscle with oxygen is the coronary artery.
Step 3
In the space below, draw a diagram of a dissected heart and on it label the following: Aorta, Bicuspid valve, Left ventricle.
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In the dissection, I would draw a heart showing the upper chambers (atria) and lower chambers (ventricles), ensuring to include the Aorta, Bicuspid valve (also known as the Mitral valve), and Left ventricle with clear labels.
Step 4
Name a piece of equipment used during the dissection.
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A piece of equipment used during the dissection could be a scalpel.
Step 5
Outline a safety step, specific to this task, to be taken before beginning the dissection.
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A safety step to take before beginning the dissection is to wash the heart thoroughly to ensure any contaminants are removed.
Step 6
Describe how you carried out the dissection.
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To carry out the dissection, I placed the heart on a dissection tray, identified the front and back of the heart, and made a careful cut along the anterior side to expose the chambers. I ensured to handle all instruments safely and followed the proper disposal procedures for any waste materials.
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