Muscle

Question 1

name the three types of muscle found in the body

Answer 1

skeletal, smooth and cardiac

Question 2

what nervous system is skeletal muscle part of
(somatic or autonomic)

Answer 2

somatic

Question 3

is skeleton muscle voluntary or involuntary control

Answer 3

voluntary

Question 4

what structure does skeletal muscle have? striated or un-striated?

Answer 4

striated

Question 5

what is the function of skeletal muscle?

Answer 5

contract for movement
posture & position
body temp
store nutrients
stabilize joints

Question 6

what is skeletal muscle composed of?

Answer 6

muscle fibres

Question 7

what is the structural shape of muscle fibres of skeletal muscle?

Answer 7

elongated striated

Question 8

Muscle cells are packed with myofibrils. what are myofibrils composed of?

Answer 8

repeating units of myofilaments - gives striated appearance (contraction)

Question 9

Name the types of myofilament found in myofibrils?

Answer 9

thin filaments composed mostly of actin and thick filaments mostly composed of myosin.
Also contain titin, elastic myofilaments associated with the thick filaments.

Question 10

what encircles the myofibrils?

Answer 10

Sarcoplasmic reticulum (plasma membrane) and T-tubules

Question 11

What are sarcomeres?

Answer 11

contractile units of skeletal muscle

Question 12

name the process that allows sarcomeres to contract

Answer 12

sliding filament mechanism