The hardness of a nail comes from
A) keratin. B) collagen. C) calcium. D) carotene.
A
You might also like to view...
Lysosomes ________.
A) are always used for the cell to "commit suicide" B) contain acid hydrolases that are potentially dangerous to the cell C) maintain a highly alkaline internal environment D) are the major site of protein synthesis
Chemoreceptors called __________ bodies are found in the neck and monitor pH, CO2, and O2 levels.
Fill in the blank(s) with the appropriate word(s).
Which of the following does not occur as a compensation for hemorrhage?
a. Shift of fluid from the interstitial fluid into the plasma b. Reduced urinary output c. Increased capillary permeability d. Increased cardiac output e. Increased synthesis of plasma proteins
The space inside the kidney is the:
A. renal hilum. B. retroperitoneal space. C. renal pelvis. D. renal sinus.