Where does the exchange of oxygen (from the air) with carbon dioxide (from
the cells) take place?
A. Where the blood meets the cells
B. Where the bronchi meet the bronchioles
C. Where the nasal passages meet the air
D. Where alveoli meet capillaries

the answer is otpion c) understanding

he wants to be heard one more time. he wants to be understood. he needs the truth one more time.

the unequal cytoplasmic division that  results  in  one egg  and three polar bodies ensures that a fertilized  egg has  ample nutrients  forits journey  to  the uterus.

more words for this could be abiotic and biotic

abiotic: living organisms within an ecosystem

biotic: non-living organisms within an ecosystem