The natural dietary sources for vitamin B12 (cobalamin) are
A) fruits only.
B) meats and milk.
C) vegetables only.
D) breads and potatoes.
E) leafy vegetables.
B) meats and milk.
You might also like to view...
Which region of the brain controls breathing?
A. Hypothalamus B. Cerebrum C. Medulla oblongata D. Occipital lobe
During ______, your diaphragm relaxes and comes back up, your external intercostal relax, and your rib cage comes back down. This creates a smaller space and causes intrapulmonary pressure to increase, causing air to flow out of the lungs.
Fill in the blank(s) with the appropriate word(s).
The penile urethra is enclosed by the ________.
A. frenulum B. prepuce C. corpus spongiosum D. corpus cavernosum E. trabecular muscle
If hemoglobin levels fall by half, what happens to the O2 carrying capacity of the blood?
a. remains the same b. doubles c. drop by 25% d. drops by 50% e. drops by 75%