Answer:
Oxygenated blood is pumped from the left ventricle into the aorta and supply cells of all organs with oxygen and nutrients.
Answer= B
Explanation:
Its main purpose is to restore partial flow of oxygenated blood to the brain and heart. ♥
Answer:
bone density.
Explanation:
I used precess of elimination. U cannot improve the bone density by working out. You can improve your cardiorespiratory fitness by doing cardio, e.g. cycling, swimming, running etc. You can improve muscular strength by working out, e.g. push up, sit ups, etc. you can also become more.flexible by expanding ur muscles and tissues.
Lack of sleep or too much sleep
major grade drop
failure to participate in school or habitual activities
Chlamydia, if left untreated, it leads to the vaginal area unable to fertilize
