SKELETAL
What purpose does the skeletal system do for the heart, brain, and lungs?
protect the organs
Where does digestion begin in the body?
in the mouth
What gas is needed in the body?
oxygen
The heart is a __
pump
What is the organ that filters the blood?
kidney
How many bones in the human body?
206 bones
T. F. It's not possible to swallow something if you're standing on your head.
False
What is the purpose of oxygen in the human body?
to release energy to the body by combining with food.
Blood moves in a __ around the body
circle
What is the liquid called that has nitrogen wastes
urine
What's another name for the backbone?
vertebrae or vertebral column
What is the rhythmic squeezing of food in the food tube called?
peristalsis
What waste gas needs to be disposed of outside the body?
carbon dioxide
Name one resource blood delivers to the cells of the body.
sugar, water, salt, hormones, medicine
As the blood gets filtered, water, nitrogen wastes, sugar come out of the blood. Which 2 of these get mostly reabsorbed into the blood?
water, sugar
In what bones are new blood cells made?
In upper arm and leg bones
T. F. Digestion is the process where foods are broken down into simpler forms that the body can use.
True
What is muscle called that helps air move in and out of the lungs?
diaphragm
The heart is actually __ pumps
2 pumps
What percentage of the human body is water?
70%
What's another name for the pelvis?
hipbones
The organ kneads the food and adds acid to the mixture.
stomach
Which way is iar moving in inhalation--into or out of the lungs?
into the lungs
What makes the soud of the heart beating, "lub-dub...lub-dub..."
heart valves closing
Where is urine stored in the human body?
bladder