<span>Both strong and weak electromagnetic radiation emitted from any electrical or electronic equipment will interact with and affect human body's own weakelectromagnetic fields. Therefore, it interferes with your body's natural healing processes and produces all sorts of health hazards.</span>
C i'm pretty sure the answer is C hope this helps
The AV valves close first, then the semilunars open and close, then the AV valves open
Answer:
B Heart and lungs
Explanation:
The thoracic cavity is another term for the chest cavity. It is enclosed by the ribs, spine, and breast bone, and is separated from the abdomen by the diaphragm.
It contains the heart, lungs, and the esophagus, and the blood vessels that supply them.
