Answer:
Muscular contractions are the mechanism that allow an individual, animal, or human, to move its body, move the food in its digestive system, or a host of other activities. The contraction shortens the muscle which moves the rigid structures, bones, to which they are attached.
Explanation:
Coronary Heart Diseases are associated with genetic and environmental factors, symptoms include chest pain, and treatment includes a healthy lifestyle.
<h3>What are Coronary Heart Diseases?</h3>
Coronary Heart Diseases are a group of diseases that effect the heart, and represent the main cause of death in developed countries
Coronary Heart Diseases are mainly associated with sedentarism and they can be efficiently treated by having a healthy lifestyle (e.g., by reducing the amount of salt in foods).
In conclusion, Coronary Heart Diseases are associated with genetic and environmental factors, symptoms include chest pain, and treatment includes a healthy lifestyle.
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Answer:
Blood leaves the heart through the pulmonic valve, into the pulmonary artery, and to the lungs.
Explanation:
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Nicotine is a highly addictive substance that is found in tobacco. Chemicals in tobacco are inhaled into the respiratory system when you smoke. This can cause many problems such as lung and throat cancer. Thousands of deaths are recorded in the U.S. related to smoking tobacco.
