Respiratory System
Uses oxygen in chemical reactions that releases energy
What is Cellular Respiration?
Physical changes that break food into smaller pieces
What is mechanical digestion?
Organs that filter waste from the blood
What are the kidneys?
Disposes solid waste from food
What is the digestive system?
Strong muscles that further mix and mash food
What is the stomach?
Gas releases from the body
What is carbon dioxide?
Changes that turn food into different substances
What is chemical digestion?
This substance is produced by the kidneys
What is urine?
Releases water through sweat glands
What is the skin?
Receives partially digested food from the stomach
What is the small intestine?
This gas enters the body through the respiratory system
What is oxygen?
Examples of mechanical and chemical digestion
What is chewing and salvia breaking down food?
Looping tubes found in the kidneys
What are nephrons?
Jobs of the Digestive System
What is breaking down food, absorbing nutrients, and removing waste?
Water and some other nutrients are absorbed from digested food and remaining material is waste
What is the large intestine?
Nose, throat, trachea, lungs, ribs,_________, bronchial tubes
What is the diaphragm?
Wavelike contractions of smooth muscles in the digestive tract.
What is peristalsis?
Job of nephrons
What is regulates the makeup of blood?
Jobs of the Respiratory System
What is removing waste, supporting speech, and removing water through water vapor?
The largest internal organ that stores unneeded material for later
What is the liver?
Small tubes in the lungs that aid in gas exchange
What are the alveoli?
Name the four main nutrients in the body
What is water, protein, carbohydrates, and fats?
kidney, ureter, bladder, _________
What is the urethra?
Jobs of the Kidneys
What is the pancreas?