Cardiac muscle contraction is ( ) . We have no direct, conscious control over how fast our heart beats.
A: voluntary
B: uninucleate
C: striated
D: involuntary
A: voluntary
B: uninucleate
C: striated
D: involuntary
举一反三
- Cardiac muscle contraction is______ . We have no direct, conscious control over how fast our heart beats.
- Muscle is often divided into striated muscle (or skeletal muscle), smooth muscle and cardiac muscle. Both Smooth muscle and cardiac muscle are under voluntary control.
- Muscle can be divided into A: striated /skeletal muscle B: smooth muscle C: cardiac muscle D: cartilage
- Which of the following muscle is voluntary muscle？ A: cardiac muscle B: smooth muscle C: biceps D: diaphragm
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