Asked by Brandy Palmer on Jun 13, 2024
Verified
Which muscle(s) can contract without the need for nervous stimulation?
A) Skeletal muscle only
B) Smooth muscle only
C) Cardiac muscle only
D) Smooth and cardiac muscle
E) Skeletal, smooth, and cardiac muscle
Skeletal Muscle
A type of striated muscle tissue attached to bones, responsible for voluntary movements of the body.
Smooth Muscle
A type of muscle tissue which is not under voluntary control, found in the walls of internal organs such as the digestive tract, blood vessels, and the bladder.
Cardiac Muscle
A kind of striated muscle that is involuntary and found solely in the heart, tasked with circulating blood throughout the body.
- Understand the mechanisms through which different types of muscle tissue (skeletal, smooth, and cardiac) can initiate contractions.
Verified Answer
NE
noor eva rahmaJun 19, 2024
Final Answer :
D
Explanation :
Smooth and cardiac muscles can contract without the need for nervous stimulation due to their ability to generate spontaneous action potentials. Skeletal muscle requires nervous stimulation for contraction.
Learning Objectives
- Understand the mechanisms through which different types of muscle tissue (skeletal, smooth, and cardiac) can initiate contractions.