Shivering raises body temperature because:
it decreases warm blood flow to the core while increasing flow to the muscles
it depresses metabolism
it increases heat production up to 18 times that of resting levels
the process of muscle contraction produces heat
_____
it decreases warm blood flow to the core while increasing flow to the muscles
_____
it depresses metabolism
__X__
it increases heat production up to 18 times that of resting levels
__X__
the process of muscle contraction produces heat
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The juxtaglomerular apparatus of the kidneys releases a hormone called ________ that converts angiotensinogen into angiotensin I.
A. antidiuretic hormone B. angiotensin-converting enzyme C. renin D. aldosterone
Walking a tightrope would activate which portion(s) of the medulla?
A. The olives B. The pyramids C. The pyramids and the superior colliculi D. The pyramids and the olives E. The superior colliculi
The narrow space that separates the motor neuron and the skeletal muscle fiber in a neuromuscular junction is called the
A. motor end plate. B. synaptic vesicle. C. synaptic cleft. D. synaptic knob.
If you were to remove the gastrocnemius muscle, you would expose the
A. tibialis posterior. B. tibialis anterior. C. soleus. D. fibularis longus. E. flexor digitorum longus.