Muscle quizizz
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45 Terms
What is the length between z-lines of an actin molecule called?
Sarcomere
The part of the sacromere that D (Red) refers to is the?
Myosin
This is showing the major muscle group on your back, called what?
Latissimus dorsi
Which label is the muscle fiber?
D
Found attached to bones throughout the body
Skeletal
The part of the sacromere that C (Blue) refers to is the?
Actin
What is labeled “4” (the blue/purple part) in the diagram?
Sarcoplasmic reticulum
What state is the sacromere in #2
Contracting
What state is the sacromere in #1
Relaxed
Which connective tissue surrounds the fascicle?
Perimysium
What is shown in the colored part of this diagram?
Five myofibrils
The epimysium covers
The entire muscle
Abdominal
A _____ attach bones to each other at joints
Ligament
What muscle is the arrow pointing towards?
Biceps
Quadriceps
The part of the sacromere that A (green) refers to is the ?
Z line
Move materials through contractions
ALL: smooth, cardiac, skeletal
Trapezius
Gastrocenmius
Found in the walls of hollow organs; also called visceral
Smooth
A?
Skeletal
B?
Cardiac
C?
Smooth
What muscle is highlighted?
Sternocleidomastoid
A sacromere is
The basic contractile unit of muscle contraction
Your QUADS can be found in your…
Legs
What is the opposing muscle group for the biceps?
Triceps
Connective tissue that attaches muscle to bone
Tendon
These muscles that make up someone’s “six pack” are really called what?
Rectus abdominus
What happens to the z lines during a sacromere contraction?
Get closer together
Gluteal
Skeletal muscles always work ____
In pairs
What muscle is the arrow pointing to?
Pectoralis (pecs)
Deltoid
____ attaches to actin to form the cross bridge
Myosin
What are the 3 types of muscles?
Skeletal, smooth, cardiac
Which of the following is NOT an example of opposing muscle group used to create movement of the musculoskeletal system?
Deltoids and pectoral muscles of the wrists
Latissimius dorise
A _____ is a strong connective tissue that attaches muscle to bone
Tendon
External oblique
Found in the heart
Cardiac
Hamstring
What muscle is the arrow pointing to?
Triceps
Smooth muscle and cardiac muscle are considered _____ muscles because we can’t control them consciously.
Involuntary
Note 
Flashcards (49)