Q: Q: Osteoporosis, osteoarthritis, fractures, and sprains are problems affecting what system?   A:
A: skeletal system

Q: Q: Individuals with what condition experience depigmentation that results in lighter colored patches of skin?   A:
A: vitiligo

Q: Q: What functional units of chromosomes determine specific characteristics by coding for specific proteins?   A:
A: genes

Q: Q: Blood volume increases substantially during pregnancy, so that by childbirth, it exceeds its preconception volume by 30 percent, or approximately what?   A:

A: 1-2 liters