Answer:
Ов. H,0
Explanation:
Hydrogen is present in our body about 9.5 percent while oxygen is present in large amount about 65 percent of the total human body. Oxygen mostly present with hydrogen in the form of water. About 70 percent of our body is composed of water. Water is present in every cell. Some oxygen is also present in gaseous form in the cell. This oxygen comes in the body through breathing.
The answer is class and family.
<span>Taxonomic groups are used for biological classification. There are eight main taxonomic groups: domain, kingdom, phylum, class, order, family, genus and species, with the domain as the most inclusive and species as the least inclusive. If we take a look on Mammalia and Hominidae classification, we can assume that Mammalia represents class, and Hominidae represents family:</span>
<span>1. Domain: Eukarya</span>
<span>2. Kingdom: Animalia</span>
<span>3. Phylum: Chordata</span>
<span><u>4. Class: Mammalia</u></span>
<span>5. Order: Primates</span>
<span><u>6. Family: Hominidae</u></span>
<span>7. Genus: Homo</span>
<span>8. Species: Homo sapiens</span>
Carbon dioxide is transported in the blood in three ways: 1) dissolved in solution 2) bound to proteins 3) buffered with water
I think it might be b but i’m not 100% sure