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Muscular System

Total questions: 65

Worksheet time: 32mins

Name
Class
Date
1.

What are the functions of the muscular system. Select all the apply.

a)

Helps you see

b)

Helps you move

c)

Helps fight diseases

d)

Creates heat

e)

Helps your heart beat

2.

Muscles that you control are known as....

a)

Involuntary

b)

Fast Twitch

c)

Voluntary

d)

Slow Twitch

3.

Muscles that you DO NOT control are known as ...

a)

Involuntary

b)

Fast Twitch

c)

Voluntary

d)

Slow Twitch

4.

How should you care for your muscular system. Select all that apply.

a)

Exercise regularly.

b)

Eat fast food on a daily basis.

c)

Warm-up before and cool-down after exercise.

d)

Stretch to remain flexible.

e)

Eat healthy foods, especially foods high in protein.

5.

Of the 3 types of muscles, which muscles attach to bone.

a)

Skeletal Muscle

b)

Cardiac Muscle

c)

Smooth Muscle

6.

Of the 3 types of muscle, which is responsible for pumping your heart.

a)

Skeletal Muscle

b)

Cardiac Muscle

c)

Smooth Muscle

7.

Of the 3 types of muscle, which is found in hollow organs and around blood vessels.

a)

Skeletal Muscle

b)

Cardiac Muscle

c)

Smooth Muscle

8.

Skeletal Muscles is a __________________ muscle.

a)

Voluntary

b)

Involuntary

9.

Cardiac muscle is a _______________ muscle.

a)

Voluntary

b)

Involuntary

10.

Smooth muscle is a __________________ muscle.

a)

Voluntary

b)

Involuntary

11.

Your heart is an example of what kind of muscle?

a)

Voluntary

b)

Involuntary

12.

Which type of human body tissue can contract, or shorten?

a)

epithelial tissue

b)

muscle tissue

c)

connective tissue

d)

nerve tissue

13.

Which type of muscle is found only in the heart?

a)

cardiac muscle

b)

voluntary muscle

c)

soft muscle

d)

smooth muscle

14.

Which type of muscle tires quickly during exercise?

a)

skeletal muscle

b)

breathing muscle

c)

cardiac muscle

d)

smooth muscle

15.

How do pairs of skeletal muscles work together?

a)

One muscle in the pair pulls on a bone, while the second muscle pulls on the first muscle.

b)

While one muscle in the pair contracts, the other returns to its original length.

c)

Both muscles extend at the same time.

d)

One contracts and the other stretches.

16.

Exercise is important for muscles because it

a)

helps maintain strength and flexibility.

b)

gives muscles more energy.

c)

prevents muscles from becoming tired.

d)

prevents muscle injuries.

17.
Approx How many muscles is the human body made up of?
a)
206
b)
400
c)
500
d)
600
18.
When muscles contract, the length of the muscle
a)
lengthens
b)
extends
c)
shortens
d)
stretches
19.
From which system does the body get the message to move?
a)
Circulatory System
b)
Skeletal System
c)
Muscular System
d)
Nervous System
20.
What do tendons attach?
a)
muscles to ligaments
b)
muscles to other muscles
c)
muscles to bones
d)
muscles to organs
21.
Movements that you choose to control
a)
Cramp
b)
Voluntary
c)
Strain
d)
Involuntary
22.
Movements that you cannot control
a)
Strain
b)
Sprain
c)
Voluntary
d)
Involuntary
23.
The most important muscle in the body is the
a)
Bicep
b)
Heart
c)
Tricep
d)
Hamstring
24.
These muscles are attached to your bones
a)
Skeletal
b)
Smooth
c)
Rough
d)
Cardiac
25.
These muscles are found in your organs
a)
Skeletal
b)
Smooth
c)
Rough
d)
Cardiac
26.

Turning your head to look both ways before crossing the street is what kind of movement?

a)

Voluntary

b)

Involuntary

27.

Swatting a fly off of your shoulder is what kind of movement?

a)

Voluntary

b)

Involuntary

28.

Your stomach digesting food is an example of what kind of movement?

a)

Voluntary

b)

Involuntary

29.

Your Heart beating is an example of what kind of movement?

a)

Voluntary

b)

Involuntary

30.
What are the 3 types of muscle tissue?
a)
Thigh, Calf, & Shoulder
b)
Traps, Forearm, & Abs
c)
Hamstring, Biceps, & Triceps
d)
Smooth Muscle, Cardiac Muscle, & Skeletal Muscle
31.
Which muscle type is found in your stomach, bladder, and intestines?
a)
Skeletal
b)
Smooth
c)
Cardiac
d)
Straight
32.
Which muscles are involuntary?
a)
skeletal
b)
cardiac
c)
smooth
d)
smooth and cardiac
33.
When a muscle contracts, it _______
a)
gets longer
b)
gets shorter
c)
gets thinner
d)
grows hair
34.
Which types of muscle tissue are voluntary?
a)
Cardiac
b)
Skeletal
c)
Smooth
d)
Cardiac and Smooth
35.
Skeletal muscles are attached to the _________.
a)
Stomach
b)
Lungs
c)
Bones
d)
Involuntary Muscles
36.
Cardiac muscles are ONLY located in the heart
a)
TRUE
b)
FALSE
37.
Muscles always work in _____
a)
pairs
b)
groups of 3
c)
bones
d)
joints
38.
Involuntary muscle is 
a)
muscle found in the heart
b)
muscle found in the organs
c)
muscle that works automatically
d)
all of these are true
39.
A place where two bones meet is called a 
a)
Hip Bone
b)
Synovial Fluid
c)
Joint
d)
Biceps
40.
The framework of the body, that consists of bones and connective tissues is called the
a)
Muscular System
b)
Skeletal System
c)
Nervous System
d)
Blood System
41.
True or False:  Daily exercise is a good way to keep your bones healthy?
a)
True
b)
False
42.
True or False:  Skeletal Muscle gives your body strength and power?
a)
True 
b)
False
43.
The innermost part of the bone, where blood cells are made is called the 
a)
Cancellous bone
b)
Bone Marrow
c)
Periosteum
d)
Hollow bone
44.

Actin myofilaments are

a)

attached to the z disk

b)

are found primarily in the h zone

c)

are thicker than myosin myofilaments

d)

all of these options

45.

Which structure provides an attachment site for calcium?

a)

actin

b)

troponin

c)

tropomyosin

d)

m-line

46.

Skeletal muscles...

a)

Require energy in order to contract

b)

Require energy in order to relax

c)

Relax when calcium ions are transported into the sarcoplasmic reticulum

d)

All of these

47.

What type of muscle is this?

a)

Skeletal

b)

Cardiac

c)

Smooth

48.

Which type of muscle is this?

a)

Smooth

b)

Skeletal

c)

Cardiac

49.

Which type of muscle is this?

a)

Skeletal

b)

Cardiac

c)

Smooth

50.

Which type of muscle cell has one nucleus, is striated and has intercalated disks?

a)

Skeletal

b)

Cardiac

c)

Smooth

51.

Which of the following muscle cells are not striated, involuntary, and have one nucleus per cell?

a)

Skeletal

b)

Cardiac

c)

Smooth

52.

Which type of muscle cell is striated, voluntary and has multiple nuclei located at the periphery?

a)

Cardiac

b)

Smooth

c)

Skeletal

53.

Which of the following puts the structures of the muscle in order from largest to smallest?

a)

Whole muscle, muscle fiber, actin & myosin, myofibril, muscle fasicle

b)

Whole muscle, muscle fasicle, muscle fiber, myofibril, actin & myosin

c)

Whole muscle, muscle fiber, muscle fasicle, myofibril, actin & myosin

d)

Whole muscle, muscle fasicle, muscle fiber, actin & myosin, myofibril

54.
Which chemicals must be present for muscles to contract?
a)
calcium
b)
ATP
c)
lactic acid
d)
ATP and Calcuim
55.
The part of a skeletal muscle from z-line to z-line is called
a)
nucleus
b)
H-zone
c)
perimysium
d)
sarcomere
56.
Where do actin and myosin overlap? 
a)
A-band
b)
I-band
c)
Z-line
d)
sarcomere
57.
The thick myofibril filament of a sarcomere is
composed of a protein:
a)
actin.
b)
myosin.
c)
sarcolemma.
d)
titin.
58.
According to the sliding filament model, muscle
contraction begins when:
a)
calcium ion concentration increases exposing binding sites.
b)
myosin heads pull on actin filaments.
c)
ATP splits to form ADP and P.
d)
myosin heads release the actin filaments
59.

What is 1?

a)

Sarcomere

b)

Actin (thin filament)

c)

Myosin (thick filament)

d)

Z line

60.

What is 3 pointing at?

a)

Sarcomere

b)

Actin (thin filament)

c)

Myosin (thick filament)

d)

Z line

61.

What is 5?

a)

Sarcomere

b)

Actin

c)

Myosin

d)

Z line

62.

What happens to the distance between Z lines when a muscle relaxes?

a)

increases

b)

decreases

63.

What ion is released from the muscle cell when a nerve impulse arrives?

a)

Sodium

b)

Calcium

c)

Potassium

d)

Chloride

64.

Rigor mortis results from the lack of _____ to relax muscles.

a)

glucose

b)

ATP

c)

mitochondria

d)

carbon dioxide

65.

All of the following are functions of the muscular system (check all that apply)

a)

Posture

b)

Heat production

c)

Blood production

d)

Movement

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