____________________ matter consists predominantly of densely packaged cell bodies and dendrites, whereas ____________________ matter consists of bundles of myelinated nerve fibers

Fill in the blank(s) with correct word


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Anatomy & Physiology

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For most individuals the main source of vitamin D is dietary intake of milk

Indicate whether this statement is true or false.

Anatomy & Physiology

Enzymes are biological catalysts that are crucial for normal human metabolism

Indicate whether this statement is true or false.

Anatomy & Physiology

Which layer of tissue is the endometrium?

A) inner B) middle C) outer D) between the outer and the peritoneum

Anatomy & Physiology

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

Anatomy & Physiology