Muscle quizizz

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