The heart is linked to the brain by neurons that belong to theA) afferent division of the nervous system.B) sympathetic nervous system.C) parasympathetic nervous system.D) somatic motor nervous system.E) autonomic nervous system.
What will be an ideal response?
A, B, C, E
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After carrying a heavy box, you put it down by lowering it with your arms. Your biceps brachii muscles are contracting, but not forcefully enough to shorten and lift the box back up. This type of contraction is specifically called a(n) ________ contraction.
Fill in the blank(s) with the appropriate word(s).
A substance that can produce disease is a( n ) _____. Select one:
a. pathogen b. neutrophil c. phagocyte d. none of the choices
A volleyball player depends on the gastrocnemius muscles for plantar flexion, whereas a marathon runner depends more on the soleus muscles for the same action. What characteristic of the soleus muscles makes this so?
A. They don't have as many blood capillaries per gram of tissue. B. They break ATP down to ADP and Pi faster. C. They make more use of aerobic respiration. D. They have smaller mitochondria. E. They have more glycogen in them.
An actively contracting muscle will cause local temperature to rise and will produce acidic molecules. Warmth and lower pH cause the oxygen-hemoglobin saturation curve to shift ________ reflecting that hemoglobin releases ________ oxygen.
A. right; more B. left; more C. left; less D. right; less