Muscle Cells- Revision

Which type of specialized cell has many mitochondria and changes size (contracts)?

• red blood cells

• squamous (skin) cells

• muscle cells

• white blood cells (macrophages)

• nerve cells (neurons)

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Muscle cells become shorter and thicker when they contract the muscle.

• This statement describes a STRUCTURE.

• This statement describes a FUNCTION.

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Where is the skeletal muscle located?

• attached bone to bone

• in the blood

• in the lungs

• in the brain

Why would some cells contain more mitochondria than others?

• They need more oxygen

• They require more energy

• They are bigger

• They wouldn't; all cells contain the same amount of mitochondria

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NGSS.MS-LS1-2

Which is a cardiovascular muscle?

• lung
• heart
• stomach
• diaphragm

Which body system work together to allow the body to move?

• nervous / skeletal
• muscular / skeletal
• nervous / circulatory
• muscular / circulatory

Which system's main purpose is to help the body move?

• digestive system
• cardiovascular system
• muscular system
• respiratory system

Which 2 systems work together to help a person stand erect?

• skeletal / muscular
• skeletal / digetive
• skeletal / respiratory
• skeletal / cardiovascular

When a muscle contracts, it _______

• gets longer
• gets shorter
• gets thinner
• grows hair

A mitochondria's role in muscle contraction is the production of...

• Synthesis of ATP
• Metabolism of ATP
• Synthesis of Proteins
• Metabolism of Worn out Proteins

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NGSS.MS-LS1-2

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