Question Detail

ZOO 101 ZOO 101 Past Questions Objective Question
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Question

Intercalated discs in cardiac muscle serve to:
Options
A Prevent overstretching
B Coordinate contraction through gap junctions and desmosomes
Correct Answer
C Anchor actin to the sarcolemma
D Deliver oxygen to the muscle
Correct Answer

Option B is the correct answer.

Detailed Explanation

Intercalated discs contain gap junctions for electrical and chemical communication between cells and desmosomes for mechanical adhesion, allowing the heart to function as a syncytium.

Hint

These structures enable the heart to beat as a coordinated unit.

Question Info

Course: ZOO 101
Topic: ZOO 101 Past Questions
Type: Objective
Difficulty: Not specified
Question 87 of 2214
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