Which affects osteoblast and osteoclast activity?
A. Gravity
B. Mechanical stress
C. Calcitonin and parathyroid hormone levels
D. Blood calcium level
E. All of the choices are correct.
E
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Which of the following is the portion of the endometrium that lies between the embryo and the stratum basalis?
a) Decidua basalis b) Decidua capsularis c) Decidua parietalis d) Lamina propria e) Adventitia
Fine hair called ________, which is unpigmented or lightly pigmented, is the primary human hair and is found on the upper and lower limbs.
A. terminal B. vellus C. cuticle D. lanugo E. phalanx
Which portion of the sperm houses the nucleus and its DNA?
A) midpiece B) flagellum C) head D) tail E) acrosome
The brush borders of intestinal absorptive cells contain numerous goblet cells.
Answer the following statement true (T) or false (F)