Question

Going up the stairs requires a function of which three body systems

Answer 1

When you walk upstairs you engage numerous muscles, including the hip flexors -- iliopsoas, sartorius, rectus femoris, tensor fasciae latae and pectineus -- in your hips and thighs; the gluteus medius on your outer thighs; the gluteus maximus in your behind; the quadriceps group in the front of each thigh; and your hamstrings.

g o o g l e  xd

Answer 2

1. Skeletal
2. Muscular
3. Nervous