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Multiple Choice
Which muscle contracts to push blood through the circulatory system?
A
Cardiac muscle
B
Smooth muscle
C
Skeletal muscle
D
Striated muscle
Verified step by step guidance
1
Understand the types of muscles in the human body: cardiac, smooth, and skeletal muscles.
Recognize that cardiac muscle is a specialized type of muscle found only in the heart.
Learn that cardiac muscle contracts involuntarily and rhythmically to pump blood throughout the circulatory system.
Differentiate cardiac muscle from smooth muscle, which is found in walls of hollow organs and helps move substances through organs, and skeletal muscle, which is attached to bones and aids in voluntary movement.
Identify that the unique structure of cardiac muscle, including intercalated discs, allows for synchronized contractions necessary for effective blood circulation.