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Science Study Guide
Chapter 3
Vocabulary – Study the following terms. Be able to match them with their
definitions.
stomach
Excretory System
diffusion
kidneys
alveoli
pancreas
large intestine
lungs
Digestive System
small intestine
red blood cells
Circulatory System
Respiratory System
saliva
esophagus
nephron
digestion
Information to Know – Read over the following pages in your book:
( 112-117, 122-129, 134-139, 144-151, 156-163 )
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The organization of structures in the body from smallest to largest
The basic functions of the digestive, respiratory, nervous, circulatory,
and excretory systems
The system that produces carbon dioxide as a waste product
In sequential order, the areas that food travels through after it is swallowed
The system of the body that provides nutrients for the cells in order for them to
produce energy.
The purpose for the digestion of food
Know what happens to food in the esophagus, stomach, and intestines
Be familiar with the liver, pancreas, and salivary glands, and their roles in the
digestive process
The major organs of the respiratory system
How the heart and lungs work together to circulate blood and oxygen through
the body
The parts of the circulatory system
The blood cells that carry oxygen to cells
The process of diffusion
The system that transports oxygen, nutrients, and wastes through the body
in the blood
The parts of the heart and their functions
The parts of the kidneys and their functions
The kidneys remove waste from the blood and convert it into this substance