Question: Q: How do parathyroid hormones react as a body ages? Choices: - use with age - decrease with age - help with age - increase with age A:
Answer: increase with age

Question: Q: What item lost by diffusion and in the urine are replenished by eating? Choices: - protein - sugar - yeast - salt A:
Answer: salt

Question: Q: "endocrine" and "exocrine" are two types of what? Choices: - organs - fluids - cells - glands A:
Answer:
glands