Answer:
<u>Two ureters.</u>
These narrow tubes carry urine from the kidneys to the bladder. Muscles in the ureter walls continually tighten and relax forcing urine downward, away from the kidneys. If urine backs up, or is allowed to stand still, a kidney infection can develop.
Answer:
D. They release waste into the bloodstream.
Explanation:
Kidneys are the primary organs of the excretory system. Their primary function is to remove the metabolic waste from the blood and release it out of the body in the form of urine. The nitrogenous waste, drugs, uric acid, and other metabolic waste products are removed from blood in kidneys.
Hence, kidneys do not release the waste into the bloodstream, rather release them out of the body and filter the blood.
A, convergent plate boundaries.
A good way to remember what’s caused by convergent boundaries is MTV.
M- Mountains
T- Trenches
V- Volcanoes
The answer is a. True
The body loses water in the first place through kidneys in the form of urine. A less is lost through evaporation from a skin, as a sweat, or through exhalation, by breathing out water vapor. In some cases, such as intensive exercise or hot weather, increased amount of water can be lost through sweat.
