When calcium blood levels fall, a gland in the body releases a special hormone. This is a positive feedback loop, which means _____.
B) calcium levels are decreased
C) calcium levels remain the same
Answer:
Movement
Respiration
Nutrition
Irritability
Growth
Excretion
Recreation
competition
Adaptability
Answer:lol
Explanation:
d
Due to being nearsighted.
Nearsightedness can also be caused by the cornea and/or lens being too curved for the length of the eyeball. In some cases, myopia occurs due to a combination of these factor