The Muscular System

How many muscles are in the muscular system?

• 206

• over 300

• over 650

• 406

Which is a function of muscle?

• skeletal movement

• provide structure

• protect internal organs

• store minerals

The muscle's ability to change or be changed according to circumstances is:

• excitability

• flexibility

• extensibility

What are the two functional classifications of muscles?

• striated and non-striated

• morphological and functional

• cardiac and smooth

• voluntary and involuntary

Muscles that are controlled consciously are:

• involuntary muscles

• voluntary muscles

What are the 3 types of muscles?

• voluntary, involuntary, functional

• skeletal, cardiac, smooth

• myosin, actin, toponin

Skeletal muscle is classified as:

• non-striated and involuntary

• non-striated and voluntary

• striated and involuntary

• striated and voluntary

Muscles attach to bone via:

• ligaments

• tendons

What are the 2 types of myofilaments:

• sarcomeres and proteins

• thick and thin

• cardiac and smooth

Within a sarcomere the thin myofilament is called:

• Actin

• Myosin