The _____________is the name given to the collection of bones that holds your body upright.
skeleton
The work of the
________ is
to circulate blood
throughout the body.
The Circulatory System
The human _________ is a series of organs
and glands that processes
food.
digestive system
The work of the _____________ is to help both the inside and outside parts of your body move smoothly.
muscular system
The boss of the rest of the body.
The nervous system
The work of the ______________ is to take in fresh air and get rid of stale air.
respiratory system
_____________ protect such vital organs as the brain, the heart, and the lungs.
Bones
Some organs in the
circulatory system are
_________________ .
the heart and the
lungs
The human digestive system has to get rid
of_________.
waste
The strongest muscle in the body
the heart muscle
Your ______ tells each of the other systems what to do.
brain
The __________ is a passageway for air and food.
pharynx
The ____________ allows us to move.
skeleton
The body system that transports oxygen and nutrients to all the cells of your body.
The Circulatory System
Some important organs in the digestive system are the _______________, the __________, the colon, and the appendix.
the stomach and the liver
Muscles that are controlled by our thoughts.
voluntary muscles
The Central Nervous System Consists of the brain and the _______________ .
Spinal Cord
The ______________ prevents food from entering the larynx.
epiglottis
Bones manufacture _________ _________ and store important minerals.
blood cells
Your heart is about the size of your ______.
Closed fist.
Absorbs the food through tiny villi into the bloodstream where it is taken to the cells and turned into energy.
The Small Intestine
A strong tough cord that hooks muscle to the bone.
tendon
It is proteced by a hard skull.
the brain
The ______________ is kept open by rings made of cartilage.
trachea
The longest, heaviest, and strongest bone in the body. I support weight and allow leg movement.
The femur
___________ carry blood away from the heart.
Arteries
Makes digestive juices and mixes them with the food till it makes a thick soup.
The Stomach
There are over __________ muscles in the human body.
650
The ________ ________ keeps my lungs breathing and my heart beating.
brain stem
The ________________ is a muscle beneath the lungs that helps you breathe.
diaphragm
Protects the brain and support the face.
The skull
_______ carry blood back to the heart.
Veins
It absorbs the water and moves the waste out of the body.
The Large Intestine
Muscle that moves without being told to.
Involuntary muscle
Cells of the nervous systems are called ____________. They are special cells that carry messages to the brain.
neurons
The greatest contributing factor to lung cancer is inhaling the tar in _________ __________.
cigarette smoke