Hello!
The answer would be Alveoli
In humans, oxygen and carbon dioxide are exchanged in the blood within many small sacs called alveoli in the lungs. Alveoli provide a large surface area for gas exchange.
Hope this helped!
Acidosic i do not know the second blank or if i spelled that right
According to Linnaean taxonomy, the most specific category and level shared by humans, gorillas, and howler monkeys is - Suborder Anthropoidea
Taxonomy is the system of classifying and naming organisms that was invented by Carolus Linnaeus. He also created a hierarchical system of classification of nature which includes eight taxa: domain, kingdom, phylum, class, order, family, genus, and species.
<span>air = a mixture of nitrogen, oxygen and some other bits
(pure) CO = carbon monoxide, a compound
pure water = H2O, a compound.</span>
