Answer:
B
Explanation:
B because it is best if you do it at the beginning of the warm up / workout
Flexibility is the type of fitness is not based on performance. It depends on how you slowly perform it and achieve it.
I think C. You can't have just proteins or no fats in your diet. It needs to be balanced with a little of everything.
You can always sit on the ground and stretch your legs in a pike position, lean in a crescent shape to stretch your back and sides of your torso, roll ankles, and even pull your arms across your body to create a simple stretch.
Those two are the muscular system and the excretory system because you use your muscles to push up and down and your excretory system produces the sweat you use while doing them