Which of the following is not a method that maintains lymph flow?
A) skeletal muscle contraction
B) breathing
C) valves in lymph vessel walls
D) smooth muscle contraction
D) smooth muscle contraction
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Answer the following statement true (T) or false (F)
Most of the DNA in the human genome encodes protein.
Answer the following statement true (T) or false (F)
A 19-year-old model for Glamour magazine tripped over an extension cord, causing injury to her epidermis. She is afraid the injury will leave a scar. Based on your knowledge of regeneration, what would you say to this patient?
What will be an ideal response?
In the simplest reflex arc,
A) a sensory neuron contacts few interneurons before synapsing on a motor neuron. B) transmission of the impulse from one cell in the arc to another is electrical. C) the sensory neuron synapses directly with on a motor neuron. D) the response is produced by a polysynaptic chain of at least ten neurons. E) None of the answers are correct.