The model that describes the contraction of the muscle is called the
A. contraction cycle.
B. sliding filament model.
C. power stroke.
D. slipping fibril mechanism.
E. paddle model.
Answer: B
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Fast fibers produce...
A. Fast contractions B. Slow contractions C. Powerful contractions D. Weak contractions
What part of the reflex arc transmits the message to the effector?
A) Receptor B) Motor neuron C) Sensory neuron D) Integration center E) Effector
To compensate for metabolic acidosis, the respiratory system increases breathing rate, which lowers the partial pressure of carbon dioxide below normal levels.
Answer the following statement true (T) or false (F)
Which muscle everts and plantar flexes the foot?
A. Soleus B. Extensor hallicus longus C. Extensor digitorum longus D. Tibialis anterior E. Fibularis brevis