basics
this is the kind of muscle that is attached to bones and helps the body move
skeletal muscle
what happens when a muscle contracts and tightens
contracts
Myasthenia gravis mainly causes weakness in these parts of the body.
the muscles
This type of activity helps strengthen muscles
exercise
Humans have more than this many muscles in their body.
600
strong tissue that connects muscle to bone
tendon
biceps and triceps are found in what part
the arm
Myasthenia gravis is considered this type of disease, where the immune system attacks the body.
autoimmune disease
Muscles need this nutrient to grow and repair themselves.
protein
This facial muscle helps you smile.
zygomaticus muscle
muscles work in pairs because muscles can only do this action
pull or contact
this system works closely with the muscular system to make movement happen
skeletal system
People with myasthenia gravis often have trouble doing this because facial muscles become weak.
chewing, swallowing, or speaking
Stretching before exercise helps prevent these.
muscle strains
The strongest muscle based on force is found in this part of the body.
the jaw
this muscle is responsible for pumping blood throught the body
cardiac muscle
The muscular system helps maintain this, which keeps you from falling over.
posture or balance
One common symptom of myasthenia gravis is drooping of this body part.
drooping eyelids
Drinking enough water helps muscles avoid painful tightening
cramps
what is the largest muscle in the body
gluteus maximus
the diaphragm is responsible for what
breathing
This mineral is especially important for healthy muscle contractions.
calcium
In myasthenia gravis, communication between nerves and muscles becomes this.
blocked or weakened
Getting enough sleep helps muscles do this after exercise.
recover or repair