The component of a feedback system that detects change in the external or internal environment is:
A. stimulus
B. effector
C. receptor
D. control center
Answer: C. receptor
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The epidermis in the thin skin contains ________ layer(s) and in the thick skin contains ________ layers
A) 1; 2 B) 2; 3 C) 3; 4 D) 4; 5 E) 5; 6
A burn that destroys only the superficial cells of the epidermis, such as a mild sunburn, is classified as
A) first-degree. B) second-degree. C) third-degree. D) fourth-degree.
Extremely stressful physical activity in young females can result in excessive bone mass due to large amounts of estrogen production
Indicate whether the statement is true or false
Where does blood cell formation typically occur in a bone?
A. The articular cartilage B. The yellow bone marrow C. The epiphysial plate D. The red bone marrow E. The gelatinous bone marrow