Answer:
True
Explanation:
Body Composition has little to do with cardio-respiratory fitness because the cardio-respiratory endurance deals with your heart and lungs.
Answer:

Our body is made up of bones and muscles. The basic structure of our body is known as cell. When many cells combine together then it is known as tissue. When may tissue are combine together it is known as organ. Organs combine to form Organ system. And organ systems form a body
Secondary sex features are characteristics that develop during puberty. Using the process of elimination, options B and D are really primary gender characteristics. Also, option A has more to do with your genetics than your gender.
That leaves option C. Breasts. They are a secondary sex characteristic that develops during puberty.
Hope this helps! :)