The main function of the muscular system is to move
<span>The statement is true, access to water and sanitation are important factors in a population's general health and well being. Water is very essential to life and indispensable in human's daily activities. Its very important that the source of water in a community is clean and free from all microbes. This is because, the contermination of a water source which serves a community may result in disease outbreak in that community which may lead to multiple death before the disease is arrested. The same applies to sanitation.</span>
The right side of the heart<span> pumps blood to the lungs, where the blood is oxygenated and then returns to the </span>heart<span>. This circuit is called the pulmonary </span>circulation<span>. </span>The left side of the heart<span> receives oxygenated blood from the lungs and pumps it to the rest of the body.
so yes the t</span><span>he left side of the heart performs the circulation.</span>
Answer:
B. both internal and external factors
Explanation:
