Muscles

Question 1

3 types of muscles

Answer 1

• Skeletal
• Cardiac
• Smooth

Question 2

Functions of skeletal muscles

Answer 2

• movement
• posture (Support)
• heat production

Question 3

Endomysium

Answer 3

• Insulates one muscle fiber from another

- connective tissue surrounding each muscle cell/fiber to insulate from other fibers

Question 4

Perimysium

Answer 4

-connective tissue that surounds several muscle fibers to form a fascicle

Question 5

Epimysium (Fascia)

Answer 5

-Surrounds whole muscle

Question 6

Cell membrane of a muscle cell

Answer 6

Sarcolemma (Transverse or T-Tubule)

Question 7

Cytoplasm of muscle cell

Answer 7

Sarcoplasm

Question 8

myofibrils

Answer 8

bundles of actin/myosin

Question 9

sarcomere

Answer 9

smallest contractile, thick filaments (myosin), thin filaments (actin)

Question 10

myosin

Answer 10

motor protein (thick filament

Question 11

troponin

Answer 11

binds calcium (thin filament)

Question 12

tropomyosin

Answer 12

blocks binding sits on actin (thin filament)

Question 13

Actin

Answer 13

globular protein (thin filament)

Question 14

Isotonic contraction

Answer 14

-Muscle changes length to move an object

Question 15

Isometric contraction

Answer 15

-Muscle does not change length to generate force