20. A neutral atom contains A. more protons than electrons. B. more electrons th
ID: 271526 • Letter: 2
Question
20. A neutral atom contains A. more protons than electrons. B. more electrons than protons. C. the same number of electrons and protons. D. only neutrons. E. None of these choices is correct. 21. The integumentary system has many functions, one of which is A. protection from cancer B. production of Vitamin E. detection of painful stimuli. D. regulation of acid-base balance. E. prevention of albinism. 22. The foramen magnum is a large opening in the base of the skull for the A. optic nerve B. carotid arteries. C. internal jugular veins. D. facial and vestibulocochlear nerves. E. spinal cord. 23. The study of the structural features and functions of the cellis cytology histology C. molecular biology D. microbiology E. surface anatomy. 24. A blood clot stimulating even more blood clotting is an example of A. negative feedback B. positive feedback. C. neutral feedback. D. metabolism. E. There is no feedback involved.Explanation / Answer
answer:
20: A neytral atoms contains same number of electrons and protons.
21: the integeumentary system has many functions one of which is detection of painful stimuli.
22: The foramen magnum is the large opening in the base of the skull for the spinal cord.
23: the study of structural features and functions of the cell is called cytology.
24: A blood clot stimulating even more blood clotting is an example of positive feedback.
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