i. right ventricle 9. pumps blood to the aorta PRE-LAB Activity 2: Dissecting a
ID: 135603 • Letter: I
Question
i. right ventricle 9. pumps blood to the aorta PRE-LAB Activity 2: Dissecting a Mammalian Heart 1. Distinguish between the base of the heart and the apex 3. To examine the internal anatomy of the heart, you will of the heart. make which type of cut? 2. Na layer that is also called the visceral pericardium. heart wall andiide the PRE-LA B Activity 3: Reviewing the Microscopic Structure of Cardiac Muscle Tissue 1. Use the list of terms to label the accompanying photomicrograph of cardiac muscle tissue. Check off each term as you label it. D cardiac muscle fibers ? nucleus intercalated disc ? striations LM (775x)Explanation / Answer
Pre-lab Activity 2
Answer 1. The apex of the heart is its tip position that is somewhat rounded in appearance and formed by the left ventricle.
The base of the heart is opposite to the apex of the heart. It is present medially and superior. Major portion in the base position is the left atrium and minor portions include the right atrium and the blood vessels.
Answer 2. The 3 layers of the heart wall are:
Answer 3. Mid-sagittal or medial cut would be applied to study anatomy of heart.
Pre-lab Activity 3
Answer 1. Answers from top to bottom labels:
Label 1. Cardiac muscle fibers
Label 2. Striations
Label 3. Intercalated disc
Label 4. Nucleus
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