Heartburn is a burning discomfort that is generally felt in the chest just behind the breastbone. The burning sensation is caused when harsh stomach juices come in contact with and irritate the delicate lining of the esophagus.
Their would be alot of mutations in genes. Also, we wouldn't be able to function properly.
Answer:
its A
Explanation:
Its impossible for a human to have a heart beat of 94 each minute
<span>Changes in physical structure, function, or behavior that allow an organism or species to survive and reproduce in a given environment. - Adaptation</span>
Answer:
Fibrous protein
Explanation:
The definition of myosin is "a fibrous protein that forms (together with actin) the contractile filaments of muscle cells and is also involved in motion in other types of cells."