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Breathing and respiration

Horizontales
Liquid waste product of respiration
Sheet of muscle involved in breathing
Air sacks where gas exchange occurs
Substance that goes cloudy if CO2 is present
What muscle cells do
Gas waste product of respiration
Structures that allow gas exchange in mammals
Process that provides the cells with energy
Blood vessels where gas exchange occurs
Gas used as a reactant in respiration
Respiration not using oxygen
What respiration provides cells
Verticales
Sugar used as a reactant in respiration
Windpipe
Chemical produced during anaerobic respiration
Structure in cells where aerobic respiration occurs
Blood vessels that carry blood away from the heart
Respiration using oxygen
Red protein in the blood that carries oxygen
Structures that allow gas exchange in fish
Blood vessels that carry blood to the heart
Movement of air into and out of the lungs
When muscles change the size of the lungs
Movement of particles from an area of high concentration to low concentration
Type of blood cell that carries oxygen around the body