Circulatory System
This is the most important part of the Circulatory System
The Heart
This chemical is exhaled by animals, but plants "breathe" it in and use it to produce oxygen.
carbon dioxide
The part of the body where food enters, and digestion begins.
The mouth
This part of the skeleton is composed of several bones and protects the brain.
The skull
What is the main function (purpose) of the nervous system?
to receive and respond to the environment around you.
What is the main function (purpose) of the circulatory system?
carries oxygen and nutrients to all parts of the body.
What is the main function (purpose) of the respiratory system?
To fuel the body with oxygen and remove carbon dioxide.
DOUBLE JEOPARDY: Food travels down this long tube from the mouth to the stomach.
esophagus
A set of arching bones that protect the heart and lungs
The rib cage
Tiny cells which send signals to the brain. They are also known as nerve cells.
Neurons
These disc-shaped cells transport oxygen from the lungs to the other parts of the body.
Blood cells
The muscle responsible for expanding and contracting the lungs.
diaphragm
What is the purpose of the digestive system?
To extract nutrients from food, and get rid of waste.
What is the main function (purpose) of the skeletal system?
To provide structure, allow movement, and protect the bodies organs.
This part of the nervous system makes sure processes in your body work automatically.
Autonomic Nervous System
The tubes which carry blood from the heart to the rest of the body.
Blood Vessels ( arteries, veins, capillaries)
A disease in the lungs caused by breathing in harmful chemicals.
emphysema (or lung cancer)?
In this tube you will find the solids remaining, after food nutrients are absorbed into the blood stream.
large intestine
The total number of bones in the human body
Approximately 206
An involuntary response to something that happens quickly
Reflex
These blood cells are a vital part of the body's immune system.
White blood cells
Small sacks in the lungs which allow oxygen and carbon dioxide to move between the lungs and blood stream.
aveoli
The total length of the small intestine is?
20 feet
The internal, and spongy, portion of the bone that produces blood cells.
Bone Marrow
The cerebrum is divided into four lobes
Frontal, Parietal, Occipital, and Temporal