Blood is supplied to the muscle of the heart through the
A) cardiac sinus.
B) coronary arteries.
C) conus arteriosus.
D) pulmonary arteries.
E) interventricular septum.
B) coronary arteries.
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With the elbow and wrist extended, painting a circle on a canvas requires __________ of the shoulder.
A. rotation B. circumduction C. extension D. flexion E. elevation
A transplant recipient may be able to eventually discontinue immunosuppressant drugs if
A. the donor and recipient are both under age 30. B. the recipient receives bone marrow stem cells from the donor. C. the transplanted organ is not vital. D. the recipient receives a well-matched transplant from the donor.
When it is cold, the ________ contracts and draws the testes closer to the body to keep them warm.
A. corpus cavernosum B. perineum C. cremaster muscle D. corpus spongiosum E. pampiniform plexus
Which of the following is the major role of leptin in the body?
A) protect against weight loss during nutritional deprivation B) increase appetite and food intake C) promote weight loss with activity D) shrink fat stores