Question

I really need help with 3 questions, Anybody?
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Answer 1

6. Which of the following statements is true regarding infectious agents?
A. Infectious agents are all too small to be seen without a microscope, and none can be classified as living.
B. All infectious agents are living because they are all classified as microorganisms.
C. Of all the infectious agents, only viruses are considered living because they actively inject their DNA or RNA into host cells.
D. Viruses cannot be treated with antibiotics because they are not living organisms.

8. Follow a carbon atom in a piece of bread eaten by a boy. Which of the following describes a path that this atom could take?
A. mouth esophagus stomach large intestine blood body cell
B. mouth esophagus stomach small intestine blood body cell
C. mouth large intestine esophagus stomach blood body cell
D. mouth esophagus small intestine stomach blood body cell

9. Which of the following sets of structures is innervated by the somatic nervous system?
A. esophagus, stomach, small intestine
B. atrium, ventricle, arteries
C. biceps, triceps, quadriceps
D. diaphragm, bladder, large intestine

Answer 2

6:D even though that is not why viruses cannot be treated with antibiotics.
8:B Mouth to esophagus, esophagus to stomach, stomach to small intestines, etc.
9:C. The somatic nervous system is associated with skeletal muscles.

Answer 3

Thank you so much I really appreciate it!