The muscular system

What is a muscle?

• A muscle consists of groups of fibers or muscle cells that are bound together.
• A muscle is a type of nerve in the human body
• A muscle is a type of organ in the digestive system
• A muscle is made up of bones and cartilage

FINAL EXAM:

What are the types of muscles?

• Red muscle, white muscle, and blue muscle
• Smooth muscle, cardiac muscle, and skeletal muscle
• Bicep muscle, tricep muscle, and quadricep muscle
• Long muscle, short muscle, and medium muscle

FINAL EXAM:

What are smooth muscles?

• Smooth muscles are only found in bones and joints
• Smooth muscles are only found in the heart
• Smooth muscles are only found in the brain
• Smooth muscles are found in many hollow organs such as the stomach, intestine, and bladder.

How are cardiac muscles arranged?

Answer: A network with efficient and rhythmic contractions

• A network with efficient and rhythmic contractions
• In a circular pattern with sporadic contractions
• In straight lines with irregular contractions
• In clusters with simultaneous contractions

What are involuntary muscles?

• only found in the arms and legs
• only found in the digestive system
• only found in the brain
• not controlled consciously

FINAL EXAM:

Characteristics of Smooth muscles:

• Involuntary, non-striated, single nucleus
• Voluntary, striated, multiple nuclei
• Voluntary, non-striated, multiple nuclei
• Involuntary, striated, single nucleus

Which muscle is smooth muscle?

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FINAL EXAM:

What is cardiac muscle?

• The muscle present in the lungs
• The voluntary muscle present only in the heart
• The muscle present in the brain
• The involuntary muscle present only in the heart

FINAL EXAM:

Characteristics of cardiac muscles?

• Smooth, usually has multiple nuclei, voluntary, and present in the heart
• Striated, usually has multiple nuclei, involuntary, and present in the lungs
• Non-striated, usually has one nucleus, voluntary, and present only in the heart
• Striated, usually has one nucleus, involuntary, and present only in the heart

Which one is cardiac muscle?

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