Carrie Chapman Catt (January 9, 1859 â March 9, 1947) was an American women's suffrage leader who campaigned for the Nineteenth Amendment to the United States Constitution, which gave U.S. women the right to vote in 1920.[1] Catt served as president of the National American Woman Suffrage Association and was the founder of the League of Women Voters ...
Muscular System. The muscular system is made up of tissues that work with the skeletal system to control movement of the body. Some musclesâlike the ones in your arms and legsâare voluntary, meaning that you decide when to move them. Other muscles, like the ones in your stomach, heart, intestines and other organs, are involuntary.
What is the role of the muscular system? The skeletal muscles in the human body cover the skeleton, and they allow people to stand erect, walk, bend and move around. These muscles are controlled by the individual and contract and extend at will. Muscles use a large amount of the body's energy when they contract.