Transcript Muscular System

Muscular System
Ms. Riley
Health
Muscular System
• The muscular system: A group of tissues that
help the body move
• There are over 650 muscles
• Muscles all work the same way to produce
movement at a joint:
1. Contract: shorten
2. Extend: lengthen
Muscle injury: Strain, cramp, tendinitis, Muscular
dystrophpy
Types of Muscles
1. Smooth Muscles: Found in organs in the body
such as stomach & intestines
2. Skeletal Muscles: Attach to bones and make
up to 40% of body ( Bicep & Tricep)
3. Cardiac Muscle: Only found in heart,
constantly contracts and relaxes, controlled
by brain
Facts
• Tendons help hold muscles to bones
• Myocardium is the name of the cardiac
muscles
• Muscles can move * Voluntary or Involuntary
• Skeletal Muscles are called striated because
muscle fibers look striped
• Strongest muscle found in face called :
massester
Cardiovascular/ Circulatory System
Directions: Write your First/Last Name, title,
date, and period on blank paper. Please Trace or
draw the diagram and label each part with
scientific name. Write the facts about the heart
on paper also.** * Use the word bank.
Facts about the Heart
•
A person’s body has about 60,000
miles of blood vessels
• The average person has about 9-10
pints of blood in their body.
• The Heart pumps about 2,000
gallons of blood daily.
• It takes about 23 seconds for the
heart to circulate blood
throughout the body.
• About 3MILLION NEW red bold
cells are made in the bone marrow
• There are 4 main blood types: A B
AB and O
• Blood contains RH factor, so blood
is RH positive (+) or RH Negative(-)
• Blood types must match before
getting blood
transfusion``````````````
Muscle Maker Activity
• Get into groups of 3 or 4
• Get worksheet and write your own name to
receive credit
• See Ms. Riley for equipment and space