A(n) ____________________ is a disease-producing organism
Fill in the blank(s) with correct word
pathogen
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What in the skin contracts when environmental temperatures decrease?
A. Arrector pili B. Sweat glands C. Hair D. Sebaceous glands
Prevertebral ganglia are located
A. anterior to the vertebral column. B. posterior to the vertebral column. C. lateral to the vertebral column. D. at the termination site of the postganglionic axon. E. medial to the dorsal spinal columns.
What is the driving force for the movement of air into the lungs?
A. the pumping of the heart B. the pressure gradient C. the diffusion of gases D .resistance generated in the blood vessels
Which of the following is a neutralization reaction?
A) HCl ? H+ + Cl- B) NaOH ? Na+ + OH- C) NH3 + H+ ? NH4+2 D) HCl + NaOH ? NaCl + H2O