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Explain the three types of muscle cells and their characteristics.
Explain the three types of muscle cells and their characteristics.
- Skeletal muscle: a. Striated b. Voluntary control c. Many nuclei per cell d. Longest fibers (extend the length of the whole muscle) 2. Cardiac muscle: a. Striated b. Involuntary control c. One nucleus per cell 3. Smooth muscle: a. Not striated b. Involuntary control c. One nucleus per cell
List the characteristics of muscle cells.
List the characteristics of muscle cells.
- Excitability - respond to stimuli like neurotransmitters or hormones with electrical signals 2. Contractility - ability to develop tension 3. Extensibility - can stretch 4. Elasticity – assumes original length after stretching
What are the functions of skeletal muscle?
What are the functions of skeletal muscle?
- Movement of the whole body or body parts 2. Heat production 3. Maintain posture and stabilize joints
Explain the associated connective tissue of skeletal muscle.
Explain the associated connective tissue of skeletal muscle.
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What is the main function of cardiac muscle?
What is the main function of cardiac muscle?
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Which type of muscle is characterized by being striated, under involuntary control, and having one nucleus per cell?
Which type of muscle is characterized by being striated, under involuntary control, and having one nucleus per cell?
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What is the primary function of smooth muscle?
What is the primary function of smooth muscle?
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Which characteristic of muscle cells refers to the ability to respond to stimuli like neurotransmitters or hormones with electrical signals?
Which characteristic of muscle cells refers to the ability to respond to stimuli like neurotransmitters or hormones with electrical signals?
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Which connective tissue layer associated with skeletal muscle holds together functional groups of muscle and allows free movement of muscles?
Which connective tissue layer associated with skeletal muscle holds together functional groups of muscle and allows free movement of muscles?
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What is the main function of skeletal muscle in terms of heat production and posture maintenance?
What is the main function of skeletal muscle in terms of heat production and posture maintenance?
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