Documents The Respiratory System The Lung Association of Saskatchewan © The respiratory system is what we use...

Slide 1 Slide 2 The Respiratory System Slide 3 The Lung Association of Saskatchewan © The respiratory system is what we use to breathe. It may seem simple to breathe, but…

Documents THE DIGESTIVE SYSTEM. as heterotrophs we need to take in our food from the outside once inside the.....

THE DIGESTIVE SYSTEM as heterotrophs we need to take in our food from the outside once inside the cell, the nutrients are used as scaffolding for synthesis of chemical compounds…

Documents THE DIGESTIVE SYSTEM. Evolution of digestion Amoeba – engulfs food, lysomes Hydra – digestive...

THE DIGESTIVE SYSTEM Evolution of digestion Amoeba – engulfs food, lysomes Hydra – digestive sack with single opening Earthworm/bird – pharynx, esophagus, crop, gizzard,…