PLEASE HELP EMERGENCY PLEASE!! How does the respiratory system keep your body alive? *

by supporting and protecting your organs

by helping you to produce hormones to help your body function

by transmitting signals between different parts of the body

by taking in oxygen and cleaning out waste gases like carbon dioxide

(This is 7th grade science)

D. by taking in oxygen and cleaning out waste gases like carbon dioxide.

Explanation:

The respiratory system cleans out your carbon dioxide and replaces it with oxygen.

c

explanation:

thrombocytopenia, which is a deficiency in blood platelets, can cause bleeding and bruising in the dermis similar to senile purpura. other possible causes include: exposure to ultraviolet rays and aging skin are common causes of senile purpura. senile purpura may also be a sign of collagen loss in the skin and bones.