WorksheetsMuscular System
Total questions: 18
Worksheet time: 9mins
What type of muscle is found in the heart?
Cardiac
Skeletal
Smooth
Voluntary
Which type(s) of muscle are NOT striated?
Cardiac
Skeletal
Smooth
Which type(s) of muscle are voluntary?
Cardiac
Skeletal
Smooth
When muscles exert a force, they are only able to...
pivot
pull
push
rotate
Tendons attach...
bone to bone
muscle to bone
muscle to muscle
muscle to nerves
When a muscle contracts, it...
dilates
lengthens
relaxes
shortens
In order to move bones in opposite directions, muscles often...
can contract and dilate
can detach from bones temporarily
can push and pull
work in pairs
Muscles first are stimulated to contract by...
mitochondria
neurons
nuclei
sarcomeres
Myofibrils are made of...
muscle cells
myocytes
sarcomeres
Z lines
Within a sarcomere, myosin filaments pull on...
actin filaments
other myosin filaments
muscle fibers
Z lines
When myosin pulls on the actin filaments, this causes the sarcomere too...
dilate
get longer
grow
shorten
In the diagram, #4 is labeling a(n)...
actin filament
myosin filament
Z line
microfibril
The arrow is pointing to the
bicep
deltoid
pectoral
tricep
The arrow is pointing to the...
calf muscle
gluteus maximum
oblique muscle
quadricep muscle
In any motion, the antagonist muscle...
provides the main force for the motion
opposes the main force of the motion
stabilizes the joint during the motion
supports the muscle that is providing the main force
When moving upward during a sit-up or stomach crunch, the muscle acting as the agonist is the...
abdominal muscles
back muscles
deltoid muscles
quadricep muscles
Without the ____ muscles, agonists might not be able to produce enough force to move.
antagonist
fixator
smooth
synergist
In addition to motion, the muscular system also provides all of the following EXCEPT...
body heat
a heartbeat
energy
stability and support
