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Resp & Excret Sys

What is the movement of the chest that brings air into the lungs and removes waste gases? Breathing
What uses oxygen to break down glucose and release energy? Respiration
What branches off from pharynx; air enters here; contains vocal cords? Larynx
This is after larynx; long tube that contains cartilage to prevent it from collapsing Trachea
These are tiny sacs at end of bronchioles Alveoli
This is where O2 and CO2 are exchanged takes place, makes up lungs Alveoli
This is a muscle beneath your lungs that contracts and relaxes to move gases into and out of lungs Diaphragm
This is when you breathe in(inhale) the diaphragm contracts and move downward; this allows lungs to take in more O2 Inhale
This is when you breathe out (exhale) the diaphragm relaxes and moves upward; this allows the lungs to release CO2 Exhale
Alveoli enlarge and an enzyme causes them to breakdown; O2 gas and CO2 gas cannot be exchanged; heart has to work harder to pump O2 to body; body become low in O2and high in CO2 Emphysema
This is the process of removing wastes and excess products from the body Excretion
3 ways excretion can happen in the body 1)sweating 2)Lungs release CO2 and H2O when you exhale 3) Urinary system removes waste from the blood
This cleans blood Kidneys
This is a filter in the kidneys that removes harmful substances; such as urea Nephron
This contains nitrogen and is formed when cells break down proteins Urea
When blood enters the kidneys waste forced out of blood into kidneys. Water and nutrients move back into blood. Concentrated mixture of waste materials is left behind in nephron Step 1 of Filtering Blood
This is when the urine goes to urinary bladder where it is stored Step 2 of Filtering Blood
This is the yellow fluid that remains in the nephrons Urine
This is urination(process of expelling urine from the body) Step 3 of Filtering Blood
Thirst causes the body to: Get hot, sweat and water on skins cools you
Thirst causes body to: Decreases water in blood so salivary glands produce less saliva
This is when you get thirsty the body conserves water by releasing ADH which has the kidneys take water back from the nephrons and return it to the blood. Thus less urine causes kidneys to make more urine Diuretic
This decreases amount of water in blood so you become dehydrated. Example is caffeine Diuretic
Created by: katiesmith