Im guessing walking because you walk between classes.
Answer:
skeletal system
Explanation:
blood cells are made in the bone marrow, which is part of the bones, which is part of the skeletal system
Talk to someone you trust about your feelings and why you feel this way about yourself.
Answer:
Broccoli.
Brussels sprouts.
Cabbage.
Cauliflower.
are 4 cruciferous vegetables.
but may i see your opentions?
Your answer would be D, "measuring the angle at which gymnasts body bends during an aerial flip." Goodluck! :)