Answer the following statements true (T) or false (F)
1. The thymus gland and the thyroid gland develop from the same primary germ layer.
2. Tooth enamel and the dermis of the skin develop from the same primary germ layer.
3. The circulatory system and the muscles develop from the same primary germ layer.
4. Histogenesis is the development of different types of tissues.
5. Organogenesis must precede histogenesis.
1. TRUE
2. FALSE
3. TRUE
4. TRUE
5. FALSE
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Indicate whether the statement is true or false
The structure of fish gills enhance diffusion by having a
a. low "D" value. b. low ?X. c. low "A" value. d. high ?P. e. two of these.
Which of the following is part of the limbic system??
A) ?Hippocampus B) ?Wernicke area C) ?Broca area
Which of the following events occurs in an erection?
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