Maintaining a stable internal environment typically requires
A. an unstable outside environment.
B. negative feedback mechanisms.
C. positive feedback mechanisms.
D. decreased atmospheric pressure.
Answer: B
You might also like to view...
In a(n) ________ synapse, there is a direct physical connection between cells.
Fill in the blank(s) with the appropriate word(s).
If the ends of a broken bone are not touching, then a medical procedure called ________ must be performed to set the bone.
A. inflammation B. formation C. reduction D. remodeling
Which of the following constitutes the so-called "bad cholesterol?"
A) Triglycerides B) High-density lipoproteins C) Very-low-density lipoproteins D) Chylomicrons E) Low-density lipoproteins
Fats should provide no more than what percentage of a person's daily caloric intake??
A) ?10 percent B) ?20 percent C) ?30 percent D) ?40 percent