The three parts of a homeostatic mechanism are ________, ________, and ________
Fill in the blank(s) with correct word
receptor, control center, and effector
You might also like to view...
More than one mode of inheritance can be seen for a single trait. Indicate whether the statement is true or false
The quick response of the immune system to a second infection is due to
A. activation of macrophage cells. B. suppression of suppressor cells. C. T and B memory cells. D. high levels of antigen. E. new cytotoxic T cells.
The inner membrane of the mitochondria can be compared functionally to the thylakoid membranes of the chloroplast because both contain a system for
A) enzyme synthesis. B) glucose synthesis. C) electron transport. D) anaerobic respiration. E) pyruvate production.
What percentage of Earth's productive land is currently used by the human population for crops and livestock?
A) 20% B) 75% C) 40% D) 55% E) 90%