THE MUSCULAR SYSTEM

By: Jacquaia Szucs (Jackie)

MAJOR FUNCTIONS

The muscular systems major functions are to create

movement, project organs, pump blood, and ease

blood flow.

FUNCT IONS AND LOCAT IONS OF MUSCLES

Skeletal muscle: Location-around bones.

Functions- carries out movements of the body , provides

heat regulation, and maintains posture and muscle tone.

Smooth muscle: Location-in the walls of hollow internal

structures.

Functions- helps the body perform a variety of crucial

tasks.

FUNCT IONS AND LOCAT IONS OF MUSCLES

Cardiac muscle: Location-on the walls of the heart.

Functions-causes heart to beat.

Diagram

HOW DO MUSCLES WORK IN PA IRS?

As biceps and triceps as an example, they are used to

bend and straighten the elbow. When you contract

your biceps, your elbow bends or flexes while when

you contract your triceps, the elbow straightens.

DISEASES

Muscular dystrophy: a genetic disease that

damages muscle fibers.

Cerebral palsy: impacts posture, balance and

motor function.

Myasthenia gravis: is a chronic autoimmune

disease that results in muscle weakness and fatigue.

HOW DOES IT WORK WITH OTHER SYSTEMS?

1. The muscular system works with the endocrine

system by producing heat for the body.

2. The muscular system works with the digestive

system to control entrances and exits of the

digestive trap.

3. The muscular system works with the skeletal

system to provide all skeletal movement.

INTERESTING FACTS

There are muscles in the root of your hair that

gives you goose bumps.

It takes 17 muscles to smile and 42 muscles to

frown.

The hardest working muscle is in the eye.

There is a muscle in your eye that helps it move.

There are more than 600 muscles in the body.