q: Urine is a product of what organ of the body that is excreted by the urinary system?
Options:
- (A) bowel
- (B) epidermal
- (C) bladder
- (D) alveoli
- (E) lungs
- (F) urine
- (G) mammals
- (H) NaCl
a: (C)... Explanation: Urine is the liquid waste product of the body that is excreted by the urinary system. Liquid waste is put into the bladder. Urine is the waste product in the bladder that is excreted by the urinary system. That's why the answer is (C).

q: Fur is a fiber that is found only in what type of animal?
Options:
- (A) goats
- (B) mammal
- (C) humans
- (D) mushrooms
- (E) animals
- (F) fish
- (G) protists
- (H) feet
a: (B)... Explanation: Hair is a fiber that is found only in mammals. Mammals have fur or hair. Fur is a fiber that is found only in mammals. That's why the answer is (B).

q: Sperm and egg nuclei combine to do what?
Options:
- (A) combine genes
- (B) rapid expansion
- (C) fertilize gametes
- (D) reproduce
- (E) allow growth
- (F) build proteins
- (G) spread flower seeds
- (H) remove eggs
a: (C)... Explanation: Fertilization of gametes produces a diploid zygote. Sperm and egg nuclei combine to form the diploid zygotic nucleus 2. Sperm and egg nuclei combine to fertilize gametes. That's why the answer is (C).

q: What interferes with cooling of the body?
Options:
- (A) low humidity
- (B) snow
- (C) ice
- (D) Sulfur dioxide
- (E) Leptospirosis
- (F) Smoking
- (G) heat or cold
- (H) high humidity
a:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
(H)... Explanation: Sweat wets the skin, and when it evaporates, it cools the body. High humidity interferes with evaporation of the sweat. High humidity interferes with cooling of the body. That's why the answer is (H).