Functions of the Muscular System
How do skeletal muscles produce movement?
The muscles contract and pull on bones.
Define the term voluntary.
Under conscious control. Our body can choose when to contract or relax certain muscles.
Muscle of the heart is known as:
Cardiac
What is the function of ligaments?
Our muscles work involuntarily to create coordinated contractions to help us do what?
Maintain our posture.
Define the term involuntary.
Not under conscious control. They constantly contract and relax.
Where is smooth muscle found?
Visceral organs (hollow organs)
- Intestinal walls
- Blood vessels
- Diaphragm
What is the function of tendons?
To connect muscles to bones.
What three things work together to keep our joints stable?
Muscles, tendons & ligaments
Give an example of a type of muscle that is involuntary.
1. Cardiac
2. Smooth
Which type of muscle has long, spindle-shaped cells?
Smooth muscle.
Give two specific examples of ways our muscles help us maintain bodily functions.
1. Heart pumps to circulate blood around the body.
2. Muscles in the walls of our stomach & intestines control digestion
3. Diaphragm and intercostal muscles control our breathing
4. Muscles generate heat to control our body temperature.
Muscles that are involuntary are controlled by which nervous system?
Autonomic
Which types of muscles are striated?
Cardiac & Skeletal muscle.
What are tendons made up of?
Fibrous connective tissue.