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The muscular System test

Terms in this set (30)

What makes all of your daily movements possible?
muscles help make all of your daily movements possible
Define Muscle
A muscle is an organ that can relax, contract and provide the force to move your body parts.
What Ingredient is required for work to be done so that muscles can move?
the ingredient that is required for work to be done so that the muscles can move is energy.
How many muscles are there in the human body?
There are more than 600 muscles in your body that you use each day
True or false Muscles in your body are always moving
true muscles in your body are always moving
(Infer) what does the author mean when he writes" Your hand arm and leg muscles are voluntary?
the author means that your hand, arm and leg muscles that you can't control.
define voluntary muscles
muscles that you are able to control are called voluntary muscles.
define involuntary muscles
muscles you can't control consciously
Which 2 body systems works together so that your body can move?
Your skeletal system and muscular system,
Use the picture on page 492 to describe where in the body a second class lever can be found and how it can be used.
calf muscles of our foot it lifts the back of the foot up
use the picture on page 492 to describe where in the body a third class lever can be found and how it can be used.
Effort force is used in the players arm and shoulder when they flex the muscles in the shoulder area.
use the picture on page 492 to describe where in the body a third class lever can be found and how it can be used
effort force is used in the player's arm and shoulder when they flex the muscles in the shoulder area.
true or false all of the muscle tissue in your body is the same
false
define skeletal muscles
muscles that move bones
define tendons
thick bands of tissue that attaches our bone
how does skeletal muscle look when viewed under a microscope
they look striped
Are skeletal muscles voluntary or involuntary muscles?
skeletal muscles are voluntary muscles that can be controlled.
Where is cardiac muscle located?
Cardiac muscles are located in the heart
Describe cardiac muscle.
cardiac muscles are muscles that like to contract
How many times does cardiac muscle contract every minute?
cardiac muscle contract 70 beats per minute.
Where in the body can smooth muscle be found?
smooth muscles are found in our intestines, bladder, blood vessels and other internal organs.
Are smooth muscles voluntary or involuntary?
smooth muscles are voluntary muscles.
In order for muscles to move they must ____ (bend) and _____.
In order for muscles to move they always pull and never push
Do muscle sizes change over time?
Yes It depends on their usage.
How do muscles that are exercised regularly respond to stimuli?
quickly
Most change in muscle size happens because...
of muscle usage
How do muscles become soft and flabby?
Passivity( Ex playing video games, watching Tv, etc)
What "ingredient" is needed for muscles to contract and relax?
energy
When muscle contracts, _____ energy is converted to _____ energy and _____ energy.
chemical, thermal, Mechanical
What helps to keep body temperature constant?
muscle contraction
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