题目内容

Skeletal muscles are always stimulated to contract by:骨骼肌总是受到刺激：

A. arteries.
B. hormones.
C. nerves.
D. veins.

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Skeletal muscles are called voluntary muscles because:骨骼肌被称为自愿肌肉，因为：

A. they are found under the skin.
B. they contract without a stimulus.
C. they are under our conscious control.
D. they are the muscle type that provide movement.

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What type of body tissue is mostly formed by skeletal muscle?什么类型的身体组织主要由骨骼肌形成？

A. Fat.
B. Flesh.
C. Glands.
Digestive tracts.

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Under a microscope, skeletal muscle cells have distinctive markings known as:在显微镜下，骨骼肌细胞具有以下特征：

A. striations.
B. contractions.
C. mitochondria.
D. muscle pores.

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Another name for a skeletal muscle cell is a:骨骼肌细胞的另一个名字是：

A. muscle sheath.
B. muscle nucleus.
C. muscle fibre.
D. muscle tendon.

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Skeletal muscles are always stimulated to contract by:骨骼肌总是受到刺激：

A. arteries. B. hormones. C. nerves. D. veins.

Skeletal muscles are called voluntary muscles because:骨骼肌被称为自愿肌肉，因为：

What type of body tissue is mostly formed by skeletal muscle?什么类型的身体组织主要由骨骼肌形成？

Under a microscope, skeletal muscle cells have distinctive markings known as:在显微镜下，骨骼肌细胞具有以下特征：

Another name for a skeletal muscle cell is a:骨骼肌细胞的另一个名字是：

A. arteries.
B. hormones.
C. nerves.
D. veins.