Asked by Matthew Tyndall on Jun 20, 2024
Verified
Skeletal muscle fibers
A) possess striations.
B) can contract but are not extensible or excitable.
C) do not require nerve innervation to contract.
D) increase dramatically in number after birth.
E) are found in the walls of the stomach.
Skeletal Muscle Fibers
Long, cylindrical cells that make up skeletal muscles, responsible for voluntary movements.
Striations
The lines or bands found in muscle tissue and certain cell structures, indicative of their molecular organization and function.
Nerve Innervation
The supply of nerves to a specific body part, enabling it to perform its physiological functions through the transmission of sensory and motor signals.
- Acquire knowledge on the structural attributes and placements of different muscle tissue categories.
- Identify the microscopic anatomy of muscle cells and the importance of this structure to muscle function.
Verified Answer
MM
Mohamed MossaadJun 23, 2024
Final Answer :
A
Explanation :
Skeletal muscle fibers are characterized by their striated appearance under a microscope, which is due to the organized arrangement of actin and myosin filaments within the muscle cells.
Learning Objectives
- Acquire knowledge on the structural attributes and placements of different muscle tissue categories.
- Identify the microscopic anatomy of muscle cells and the importance of this structure to muscle function.