Answer:
D. Increased alertness
Explanation:
Since the other chosies are a a side affect of marijuana.
The statement that minerals are inorganic substances that the body cannot produce on its own is true. Essential minerals are sometimes divided up into major minerals (macrominerals) and trace minerals (microminerals).
Minerals are essential constituents of body fluids and tissues; they are components of enzyme system and are involved in the formation of bones and teeth.
Answer:
skeletal system
Explanation:
blood cells are made in the bone marrow, which is part of the bones, which is part of the skeletal system
