The surface of alveoli is thin and moist, alveoli has a very large surface area in total;plenty of room for gas exchange, and the surface of alveoli is covered with capillaries.
Answer:
esa
Explanation:
i think that it is not shore
Today in boston its cold and snows, the high temp is 20 and the low is 0
Answer:
El voluntario___tuvo_____que hablar sobre peliculas violentes
Yo __ hice_____ un pastel grande