The homeostasis of the body is controlled through a series of steps called a feedback system or feedback loop. One component of such systems is a control center. Which of the following organs would frequently serve as the control center for a feedback system (remember, the control center evaluates the disruption to homeostasis, and it also triggers a response)?
a. skeletal muscles
b. brain
c. nerve endings in the skin
d. blood and lymphatic fluid
e. sweat glands
b. brain
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In what part of the kidney are the renal pyramids located?
What will be an ideal response?
Powerful hip muscles attach posteriorly to the femur along the
A) greater trochanter. B) lesser trochanter. C) linea aspera. D) medial epicondyle. E) fovea capitis.
Identify the groove found on the surface of the heart and marks the boundary between the right and left ventricles
a) Coronary sulcus b) Anterior interventricular sulcus c) Posterior interventricular sulcus d) Coronary sinus e) Anterior intraventricular sulcus