The distal portion of the small intestine contains clumps of lymph follicles called ________.
A) islets of Langerhans
B) Peyer's patches
C) rugae
D) villi
B) Peyer's patches
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Describe the functions of osteogenic cells and osteoblasts
A) Osteogenic cells are stem cells that form osteoblasts. Osteoblasts are immature bone cells that secrete the organic components of bone matrix. B) Osteogenic cells are immature bone cells that secrete the organic components of bone matrix. Osteoblasts are mature bone cells that maintain the bone matrix. C) Osteogenic cells are stem cells that form osteoblasts. Osteoblasts are cells that remove bone matrix. D) Osteogenic cells are cells that remove bone matrix. Osteoblasts are immature bone cells that secrete the organic components of bone matrix. E) Osteogenic cells are mature bone cells that maintain the bone matrix. Osteoblasts are cells that remove the bone matrix.
Hormones are not very specific about the cells they affect.
Answer the following statement true (T) or false (F)
Which of the following functions is not associated with the hypothalamus?
a. control of respiration and circulatory function. b. control of thirst and urine output. c. control of body temperature. d. control of food intake. e. extensive involvement with emotion and behavioral patterns.
____________________ work constitutes all forms of biological energy expenditure that do not accomplish mechanical work outside of the body
Fill in the blank(s) with correct word