An organelle that synthesizes steroid hormones and is abundant in the ovaries and testes is the ________ endoplasmic reticulum.
Fill in the blank(s) with the appropriate word(s).
smooth
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Which type of flexibility accompanies the ROM achieved by actively contracting the antagonist muscle?
A. static flexibility B. dynamic flexibility C. passive stretching D. none of the above
Match each vitamin or mineral with its function in the body.
a. vitamin A b. vitamin B12 (cyanocobalamin) c. vitamin B3 (niacin) d. vitamin D (calciferol) e. calcium f. iron g. iodine h. phosphorous i. vitamin E j. vitamin B6 k. vitamin C l. vitamin K m. sodium n. chlorine 1. _____ A vitamin that helps enzymes in the citric acid cycle 2. _____ A mineral that is important in the structure of RNA, DNA, and ATP 3. _____ A mineral that is necessary for the production of blood 4. _____ A vitamin that is important in the production of blood 5. _____ A vitamin that is important in the production of visual pigment 6. _____ A mineral that is important in bone formation 7. _____ A mineral that is important in the production of thyroid hormones 8. _____ A vitamin that aids in the absorption of calcium 9. _____ A vitamin that helps in the manufacture of collagen fibers 10. _____ A mineral that helps in muscle and nerve function and in fluid balance 11. _____ A vitamin that acts as an antioxidant that prevents free-radicals from damaging the cell 12. _____ A vitamin that helps in blood clotting 13. _____ A mineral that helps in stomach acid production and in acid-base balance 14. _____ A vitamin that helps enzymes that catabolize amino acids
Identify the stage labeled "12."
The figure illustrates muscles of the anterior surface of the body. What does "C" represent?
A. Serratus anterior B. Coracobrachialis C. Pectoralis major D. Deltoid E. Biceps brachii