Muscles!
Voluntary Muscles are
muscles you can control, most skeletal muscles and facial muscles
What are two jobs of bones?
support the body and protect the organs
What is the name of the flap of tissue that closes to keep food out of the trachea
epiglottis
what is the liquidlike mix of food formed when juices in the stomach break down swallowed food
chyme
Three things that bones and muscles need to be healthy:
the right foods, exercise, rest
Involuntary Muscles
Work without your control and are the smooth muscles of the organs
What are two other jobs of bones?
produce blood cells and store minerals
How does the tongue help digestion
pushes small ball of food toward the back of the throat to be swallowed
A group of stretchy tissues that moves part of the body is a
muscle
a strong, elastic tissue that connects bones is a
ligament
How do muscles work together in pairs?
One muscle contracts while the other one relaxes
When a bone is put under too much pressure, what is the crack or break called?
fracture
How do teeth help digestion
tear and crush food to help break it down
When a joint is twisted too hard, what is the injury to the ligaments, tendons, and blood vessels called?
sprain
What kind of movement does a hinge joint allow
back and forth movement
What does the skeletal muscular system include?
the bones and the muscles attached to them
a place where two or more bones come together
a joint
What is one the jobs that saliva has in digestion
breaks down the food for digestion
What kind of joint does the skull have?
immovable
What type of movement does a pivot joint allow?
side to side movement
What are two kinds of voluntary muscles?
skeletal and facial muscles
a bone in the spine that protects the spinal cord
a vertebra
What is one way that the gastric juices help in digestion?
help the stomach break down food
What are the squeezing movements made by the esophagus as food moves to the stomach
peristalsis
strong, flexible tissue that is found between the joints nad cushions them
cartilage