DNA is the ultimate control of cell's productions. So A.
When a muscle receives nerve signal contracts and pulls on a tendon.
What is the question or paper? there isn’t really a question here if there is nothing to look at lol
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.
Oxygen, carbon, and hydrogen
