D and E pls mark me brainlyest
¿Qué?
¿Qué estás diciendo?
Answer: You should wear a cast for a minimum of 4 weeks if you take it off early it will NOT heal properly
Explanation:
(experience)
Answer:
ALVEOLI are the very small air sacs where the exchange of oxygen and carbon dioxide takes place. CAPILLARIES are blood vessels in the walls of the alveoli. Blood passes through the capillaries, entering through your PULMONARY ARTERY and leaving via your PULMONARY VEIN.
Explanation: