Question 1

actin

Accepted Answer

one of the four muscle proteins that comprise a sarcomere.

Question 2

aerobic exercise

Accepted Answer

long-term, less-intense exercise (jogging).

Question 3

anaerobic exercise

Accepted Answer

intense, short-in-duration exercise (weight lifting).

Question 4

endomysium

Accepted Answer

thin film of connective tissue that wraps each myofiber.

Question 5

epimysium

Accepted Answer

connective tissue sheath that wraps whole muscles.

Question 6

glucose

Accepted Answer

blood sugar

Question 7

glycogen

Accepted Answer

stored glucose, found within the muscle

Question 8

lactic acid

Accepted Answer

a secretion (waste product) produced when muscle cells contract.

Question 9

myosin

Accepted Answer

one of the four muscle proteins that comprise a sarcomere.

Question 10

perimysium

Accepted Answer

connective tissue sheath that wraps bundles of myofibers together.

Question 11

porcine stress syndrome

Accepted Answer

swine genetic abnormality causing pale, soft, exudative muscle

Question 12

post mortem

Accepted Answer

after death

Question 13

rigor mortis

Accepted Answer

muscle stiffness that occurs from lactic acid build-up in the muscles after death.

Question 14

sarcomere

Accepted Answer

the segment of the myofiber that shortens when muscles contract and elongates when muscles relax.

Question 15

sarcoplasmic reticulum (SR)

Accepted Answer

reservoir of calcium that surrounds each myofiber.

Question 16

tetany

Accepted Answer

muscle exhaustion

Question 17

titan

Accepted Answer

one of the four muscle proteins that comprise a sarcomere, prevents overstretching of a muscle.

Question 18

tropomyosin

Accepted Answer

one of the four muscle proteins that comprise a sarcomere; helps regulate muscle contraction.

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