A _____ Is a Layer of Fat Cells That Encases

question 60

Multiple Choice

A _____ is a layer of fat cells that encases and insulates many axons and helps electrical signals travel faster down the axon.

• A) myelin sheath
• B) synapse
• C) dendrite
• D) placenta

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Definitions:

Muscle Cell

Specialized cells that make up muscle tissue, capable of contracting and generating force, essential for movement and posture.

Spindle-Shaped Cells

Cells that are tapered at both ends; commonly found in smooth muscle tissues where they help in contraction and relaxation activities.

Smooth Muscle

A type of muscle found in the walls of hollow organs like the intestines and blood vessels, characterized by its involuntary control and the ability to slowly contract and relax.

Skeletal Muscle

A type of striated muscle that is attached to bones and is under voluntary control, responsible for movement.