What is the most important source of heat for the body?
a. internal heat production
b. heat gain from the external environment
c. respiration
d. exercise
e. eating
a
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T cells have receptors for antigens and will bind to free antigens in the same manner as B cells.
Answer the following statement true (T) or false (F)
What are the two major neurotransmitters of the ENS in the digestive tract?
A. epinephrine and serotonin B. epinephrine and norepinephrine C. acetylcholine and epinephrine D. norepinephrine and acetylcholine
What results from damage to annulus fibrosus and release of nucleus pulposus?
A. Lordosis B. Kyphosis C. Spina bifida D. Herniated disk E. Scoliosis
The first teeth to appear are not associated with
A) milk teeth. B) baby teeth. C) wisdom teeth. D) primary teeth. E) deciduous teeth.