Answer:the blank should say atmosphere
Explanation:
The answer would be pilates because if you keep doing it then you can maintain muscle endurance by your muscles getting better each time you do it.
The skin is the largest organ of the body. It has three main layers, the epidermis, the dermis and the subcutaneous layer.
-Functions of the skin
-Provides a protective barrier against mechanical, thermal and physical injury and hazardous substances.
-Prevents loss of moisture.
-Reduces harmful effects of UV radiation.
-Acts as a sensory organ (touch, detects temperature).
-Helps regulate temperature.
-An immune organ to detect infections etc.
-Production of vitamin D.
I believe your answer is B) 100
Hope this helps!
Love, grace-
