Skeletal Muscle

Question 1

Name the 3 types of muscles

Answer 1

Skeletal
Cardiac
Smooth

Question 2

What do skeletal muscle convert chemical energy (ATP) into?

Answer 2

Mechanical energy (force)

Question 3

What kind of muscles are skeletal and cardiac muscles?

Answer 3

Striated muscles

Question 4

Which muscles are under involuntary control?

Answer 4

Cardiac and smooth muscle

Question 5

What controls the involuntary muscle control?

Answer 5

Autonomic nervous system

Question 6

What are actin and myosin molecules responsible for?

Answer 6

Generation of force
The classification as striated muscles

Question 7

Which muscles are voluntary?

Answer 7

Skeletal muscles

Question 8

2 types of skeletal muscle

Answer 8

Agonist
Antagonist

Question 9

Which cells fuse to form muscle fibers?

Answer 9

Myoblasts

Question 10

What kind of cells are muscle fibers made up of?

Answer 10

Multinucleated cells

Question 11

What are muscles made up of?

Answer 11

Fascicles

Question 12

What are Fascicles made up of?

Answer 12

Muscle fibers (cells)

Question 13

What are muscle fibers made up of?

Answer 13

Myofibrils

Question 14

What are myofibrils made up os?

Answer 14

Thick and thin filaments (actin and myosin)

Question 15

4 regions or sarcomere

Answer 15

Z line
A band
H band
M line

Question 16

What can myofibrils be divided into?

Answer 16

Sarcomeres

Question 17

How many percent of the myofibrils does the contractile proteins take up?

Answer 17

70%