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Skeletal Muscles

Authored by Lisa Thompson

Science

7th Grade

NGSS covered

Used 1+ times

Skeletal Muscles
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15 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The functional unit of the muscle cell is the: 

Sarcomere

Osteon

Myofilament

Muscle fiber

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The thick filament is composed of: 

Myosin

Actin

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Actin filaments bound to the edges of the sarcomere, in zig zag structures also known as the...

M-Line

H-Zone

Z-Disc

A-Band

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What two chemicals are necessary for muscle contraction to occur?

Niacin and Potassium

Calcium and ATP

Sodium and Potassium

Ach and Potassium

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The neurotransmitter that signals muscle contraction is called...

Acetylcholine

Myosin

Actin

Calcium

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

name the muscle

Rectus Femoris

Biceps femoris

Semimembranosus

Semitendinosus

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

name the muscle

Vastus Medialis

Vastus Intermedius

Rectus Femoris

Vastus Lateralis

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