Muscular system

Muscular system 1

100

Thin filaments are made of protein molecules called___

actin

200

Muscle fibers bundled together into groups are called?

Wrapped in perimysium

Fascicles

300

Which muscle cells have more than one nucleus, are striated and are controlled voluntarily?

Skeletal

400

The contractile unit of a skeletal muscle, situated between the Z-lines is called

Sarcomere

500

What are 3 general functions of the muscular system

Movement

Heat Production

Posture

Muscular system 2

100

Thick filaments are made up of_____-

myosin

200

Muscle cells are long fibers that run parralel to each other and are held together by?

Endomysium

300

Contraction of both of these muscles in the neck causes flexion of the head toward the chest leading to the nickname "prayer muscle"

Sternocleidomastoid

400

Which muscle is primarily being used when the foot is dorsiflexed or inverted

Tibialis Anterior

500

ATP may be made through a reaction between adenosine diphosphate and _________ which is stored in the muscles

creatine phosphate

Muscular system 3

100

The energy required for muscle contraction is obtained from_________

ATP

200

Skeletal muscle is covered by a fourth tough layer of connective tissue called the________

Deep fascia

300

Antagonist of the diaphragm

Transverse(rectus) abdominis

400

Broad sheet of shiny white connective tissue that connects muscles

(between muscles on the front and back of the skull or over external obliques)

Fascia

500

Bacteria that releases a toxin triggering overactivity of the nervous system which leads to painful muscle spasms

Clostridium tetani

Muscular system 4

100

Production of energy with oxygen is called__________.

aerobic respiration

200

Muscles that work with prime movers by providing the opposing action is the _____________.

Antagonist

300

Weakness of a muscle that allows protrusion of organs through an opening in the muscle

hernia

400

The layer of abdominal muscle that lies crossways beneath the internal obliques is the

Transverse abdominis

500

Genetic disorder characterized by muscle wasting

muscular dystrophy

Muscular system 5

100

Muscles only______,they don't push.

pull

200

What muscle is named for its triangular shape?

Deltoid

300

The antagonist of the biceps brachii

triceps brachii

400

The straight muscle in the middle of the quadriceps group is the 

rectus femoris

500

Autoimmune disease characterized by muscle weakness in face and throat

Myasthenia gravis