Muscles Flashcards
0
Q
What is the most outstanding characteristic?
A
Ability to contract and shorten
1
Q
How many muscles in body?
A
Over 600
2
Q
Antagonistic muscle
A
When muscles work in pairs, one shortens other extends
3
Q
Functions of muscular system
A
- Movement of bones
- Pumping of blood and carrying nutrients
- Controlling air movement
- Muscle action helps break down food and eliminate waste
4
Q
Types of muscles
A
USH unstriated muscle (smooth)- helps break down food Striated muscle (skeletal)- movement of bones Heart muscle (cardiac)- pumping blood
5
Q
Fibers
A
Thousands of Cylindrical muscles
6
Q
Endomysium
A
Connective tissue covering ONE fiber
7
Q
Perimysium
A
Connective tissue covering BUNDLE of fibers
8
Q
Epimysium
A
Connective tissue covering ENTIRE muscle
9
Q
Fasiculus
A
Bundle of 150 fibers
10
Q
Tendon
A
Strong parallel fibers connecting muscle to bone or muscle to muscle
11
Q
Muscle fiber types
A
Fast twitch- short term sprints
Slow twitch- long term exercise
