Integumentary system
EXPLANATION: Defends the body after it has been invaded by a microscopic organism. Integumentary system. Protects the internal tissues of the body from potential harm.
Answer:
<h2>Striated, smooth, and cardiac muscle cells contain vast numbers of cytoplasmic filaments that function during the contraction of these cells. ... The contraction of striated muscle cells shortens the muscle, which then moves the skeleton.</h2>
Answer:
D
Explanation:
Because ice less dense than the water.
When someone works out they don’t produce enough oxygen for energy, this then causes lactic acids to build up causing a burning feeling in your body.