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Multiple Choice
Which of the following is an example of a voluntary muscle?
A
Smooth muscle
B
Skeletal muscle
C
Intestinal muscle
D
Cardiac muscle
Verified step by step guidance
1
Step 1: Understand the concept of voluntary muscles. Voluntary muscles are those that are under conscious control, meaning you can decide when to move them. These muscles are typically associated with skeletal movements.
Step 2: Review the characteristics of skeletal muscle. Skeletal muscles are attached to bones and are responsible for movement. They are striated (striped appearance under a microscope) and are controlled voluntarily.
Step 3: Compare skeletal muscle to other types of muscle. Smooth muscle (e.g., in the intestines) and cardiac muscle (e.g., in the heart) are involuntary muscles, meaning they function without conscious control.
Step 4: Eliminate incorrect options. Smooth muscle and intestinal muscle are types of involuntary muscles found in the walls of organs. Cardiac muscle is also involuntary and found only in the heart.
Step 5: Conclude that skeletal muscle is the correct answer because it is the only type of muscle listed that is under voluntary control.