In mammals, the powerful muscle that aids in breathing is the diaphragm. This muscle expands and contracts the chest cavity and forces air in and out of the lungs.
Hope that helped =)
The homo erectus is the most common ancestor with modern humans
Answer:
Yes
Explanation:
Simple sugars are called monosaccharides, made up of single sugar molecules. Examples of these are glucose, fructose, and galactose. When two simple sugars are joined together by a chemical bond they are called disaccharides, the most common of which is sucrose or table sugar.
The answer would be letter b
<span>In the digestive process, the pepsinogen excreted by the walls of the stomach forms the necessary enzyme pepsin when it mixes with hydrochloride acid in the stomach's gastric juices. Pepsin is crucial in breaking down proteins.</span>
