The Muscular System

Question

A. Functions of the Muscular System
1. Movement is an important function of . They
are also important for protection, stability, and maintaining
body .
2. A muscle is made of strong tissue that can in an
orderly way.
3. Muscles that are attached to enable your skeleton
to move.
a. Muscles that are attached to bones support the body and help
it .
b. work with muscles to help keep joints in place when
the body moves.
4. Some muscles that are not attached to bone cause and
to move throughout the body. They also make the
beat and hair stand on end.
5. Muscles protect the body by acting like a layer of for
bones and internal organs.
6. is when muscles contract rapidly and change
chemical energy to heat energy. The heat energy helps raise your
body’s .
B. Types of Muscles
1. Muscles that are attached to bones are . They are also
called , muscles that are under conscious control.
2. Skeletal muscles work by on bones.
3. increases the size of muscle cells and makes the entire
muscle larger and stronger.
4. cannot be consciously controlled.
Lesson Outline LESSON 2

Answer 1

The Muscular System

A. Functions of the Muscular System

1. Movement is an important function of the muscular system. They are also important for protection, stability, and maintaining body posture.
2. A muscle is made of strong tissue that can contract in an orderly way.
3. Muscles that are attached to bones enable your skeleton to move. a. Muscles that are attached to bones support the body and help it maintain balance. b. Tendons work with muscles to help keep joints in place when the body moves.
4. Some muscles that are not attached to bone cause internal organs and blood to move throughout the body. They also make the heart beat and hair stand on end.
5. Muscles protect the body by acting like a layer of protection for bones and internal organs.
6. Shivering is when muscles contract rapidly and change chemical energy to heat energy. The heat energy helps raise your body’s temperature.

B. Types of Muscles

1. Muscles that are attached to bones are skeletal muscles. They are also called striated muscles, muscles that are under conscious control.
2. Skeletal muscles work by pulling on bones.
3. Hypertrophy increases the size of muscle cells and makes the entire muscle larger and stronger.
4. Smooth and cardiac muscles cannot be consciously controlled.