<span>bones act as lever arms. joints act as pivots. </span>
The answer is viruses change their form when the immune system knows how to kill it and thats how they trick the immune system and viruses are much smaller than bacterias
Answer:
b
Explanation:
Because im a upper high school student i dont have much time to exercise
Answer:a substance that provides nourishment essential for growth and the maintenance of life.
Explanation:
Answer:what's the question
Explanation:
