Doctors can seldom explain why one person gets pancreatic cancer and another does not. However, it is clear that this disease is not contagious. No one can catch cancer from another person. Research has shown that people with certain risk factors are more likely than others to develop pancreatic cancer. A risk factor is anything that increases a person's chance of developing a disease.
Three types of muscles. The muscular system can be broken down into three types of muscles: skeletal, smooth and cardiac, according to the NIH. Skeletal muscles are the only voluntary muscle tissue in the human body and control every action that a person consciously performs.Most skeletal muscles are attached to two bones across a joint, so the muscle serves to move parts of those bones closer to each other, according to The Merck Manual.isceral, or smooth, muscle is found inside organs such as the stomach and intestines, as well as in blood vessels. It is called a smooth muscle because, unlike skeletal muscle, it does not have the banded appearance of skeletal or cardiac muscle.
SKELETAL SYSTEM FUNCTIONS (2) Help our bodies move. Works with the muscular system to move our bodies. SKELETAL SYSTEM FUNCTIONS (3) Protects delicaqte tussues and organs..(Example - The skull protects the brain/The ribs protect our heart and lungs/The vertebrae protect our spinal cord. SKELETAL SYSTEM FUNCTIONS (4) Bones store substances used for blood clotting, nerve function, and muscle activity.