There are three main types of muscles in the human body: 1. Smooth muscles are involuntary and found in the digestive system to help move food. 2. Cardiac muscles are involuntary and found only in the heart to pump blood through the circulatory system. 3. Skeletal muscles are voluntary and attached to bones by tendons, allowing for movement of the body. They work in pairs to flex and extend joints.

1. Your marvelous muscles What are the three types of muscles? How do we identify them? What do they do?

2. There are more than 600 muscles in our body! These muscles make up our muscular system . Our muscles are divided into 2 main groups In voluntary muscles Voluntary muscles

5. Think of a SMOOTH milkshake going down your throat to your stomach !

7. To remember this name … just think of Valentine’s Day … when people share heart-shaped CARD S - CARD IAC

10. Flexor - a muscle which bends a joint when it contracts. Your bicep is a flexor .

11. Extensor – a muscle which straightens a joint when it contracts. Your tricep is an extensor .