Answer:
Blood does change color somewhat as oxygen is absorbed and replenished. But it doesn't change from red to blue. It changes from red to dark red. It is true that veins, which are sometimes visible through the skin, may look bluish.
Explanation:
Answer:
HIV is a virus that weakens the body's immune system, which is passed through blood, semen, or vaginal fluids. Ex: Sex, sharing needles. Its not curable, but with proper medical care it can be controlled. Poor treatment of HIV can cause AIDS, aka, stage 3 HIV.
Answer:
C. proteins
Explanation:
Just got it right on edge
Answer:
the 1st step is to plan what you are going to do because you cant exercise withut planning what you are going to do.
Explanation:
