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Muscles Unit

Total questions: 25

Worksheet time: 27mins

Name
Class
Date
1.
The functional unit of the muscle cell is the: 
a)
Sarcomere
b)
Osteon
c)
Myofilament
d)
Muscle fiber
2.
The thick filament is composed of: 
a)
Myosin
b)
Actin
3.
The thin filament is composed of: 
a)
Myosin
b)
Actin
4.
found in heart
a)
smooth
b)
cardiac
c)
skeletal
5.
The plasma membrane of a skeletal muscle cell is called the:
a)
sarcomere
b)
myofilament
c)
sarcolemma
d)
sarcoplasm
6.
The gap between the neuron and muscle cell is called a __________.
a)
Synapse
b)
motor end plate
c)
Tight Junction
d)
Acetylcholine Junction
7.
The type of muscle contraction where the muscle tenses but does not shorten.  
a)
Isometric
b)
Isotonic
c)
Contraction
d)
relaxtion
8.

What are the two filaments in the muscles?

a)

Myosin

b)

Motor Neuron

c)

Actin

d)

Bison

e)

ATP

9.
This type of muscle tissue is attached to bones wand helps control voluntary movement
a)
Skeletal
b)
Cardiac
c)
Smooth
10.
Which of the following is a type of muscle tissue
a)
Skeletal 
b)
Cardiac
c)
Smooth
d)
All of the above
11.
Which types of muscle tissue are voluntary
a)
Cardiac Muscle
b)
Smooth Muscle
c)
Skeletal Muscle
d)
Skeletal Muscle and Smooth Muscle
12.
When a muscle contracts, it _______
a)
gets longer
b)
gets shorter
c)
gets thinner
d)
grows hair
13.
Skeletal muscles are attached to the _________.
a)
Stomach
b)
Lungs
c)
Bones
d)
Involuntary Muscles
14.

Muscles pull on _______ to help you move.

a)

Body parts

b)

Other muscles

c)

Bones

15.

One muscle _______ and the other _______.

a)

works, works harder

b)

works, relaxes

16.

Muscles in your body move in _________.

a)

points

b)

their own way

c)

pairs

17.

Arms and legs are _______ muscles.

a)

Voluntary

b)

Involuntary

18.

Is this action voluntary or involuntary? Riding a bike

a)

Voluntary

b)

Involuntary

19.

Your muscular system contains over _______ muscles.

a)

200

b)

100

c)

1,000

d)

600

20.
A place where two bones meet is called a 
a)
Hip Bone
b)
Synovial Fluid
c)
Joint
d)
Biceps
21.
Flexible tissue that covers the ends of your bones at joints is called
a)
Synovial Fluid
b)
Cartilage
c)
Smooth Muscle
d)
Cardiac Muscle
22.

One muscle _______ and the other _______.

a)

works, works harder

b)

works, relaxes

23.

The vertebrae are found in the

a)

backbone

b)

skull

c)

hip joint

d)

ankles and feet

24.

Muscles you don't have to control are called

a)

involuntary muscles

b)

voluntary muscles

c)

primary muscles

d)

secondary muscles

25.

An adult human body has ______ bones.

a)

206

b)

142

c)

over 300

d)

25 to 30