The muscular system is an organ system consisting of skeletal, smooth and cardiac muscles. It permits movement of the body, maintains posture, and circulates blood throughout the body.
Answer:
Wat?
Explanation:
Mexicans make tacos, yes. But huh?
False they do not contain mercury
Answer:
Unshared environment
Explanation:
This concept is usually seen in genetics and psychology, where two people/species (often with similar genetic makeup) exhibit different traits if they experience a different environment.
For example, two birds of the same species, may develop into separate species based on where they live their whole lives.