Topic 1
How many types of muscles are there?
3 types
Is the cardiac muscle voluntary or involuntary?
Involuntary
Are muscles contractible
Yes
Can you transplant a heart muscle?
Yes
What muscles gives you goose bumps?
Smooth muscles
Is the visceral/smooth muscle voluntary or involuntary?
Involuntary
What attaches muscles to bone?
Tendons
Why would muscles shrink or lose strength?
Not exercising
How many muscles are there in the human body?
650 muscles
Where does the muscular systems ability to move come from?
The nervous system
What attaches muscles to other muscles?
Fascia
What is the functional unit of a skeletal muscle?
A sarcomere
How many muscles does it take working together to take 1 step?
More than 300 muscles
What is wasting away of muscle called?
Atrophy
When your muscle fibers stretch too far what happens?
You get a muscle strain
What is composed of actin protein?
Thin filament structure
What are muscles made up of?
Log shaped fibers/ protein
What muscle is not dependent on the nervous system?
cardiac muscle
What are myofibrils made up of?
Thick and thin filaments
What is composed of many myosin molecules?
Thick filament structure