Muscles are <u>repaired </u>and built back up throughout life with new muscle tissue.
<span>At the top of plant shoots or roots of plants is an organism called meristem. This organism produces auxin, which causes the shoot or root to grow. This shows that by pinching off the tops of the plants, it makes them grow more.</span>
Answer: Types of lipids include triglycerides, phospholipids, and steroids. Each type has different functions in living things.
Explanation:
Answer:
B
Explanation:
When atoms bombard each other, they move vigorously hence they vibrate quickly
The excretory system allows animals to remove metabolic waste their bodies. Many of these substances are potentially toxic. in Mammals nitrogenous toxins like urea are expelled through liquid urine while in reptiles and birds the nitrogenous compounds are expelled as a solid. This allows birds and reptiles to use less water in the processes of metabolism.