Digestion (note #1) Flashcards
What is digestion?
The physical/chemical breakdown of nutrients for the body’s use.
The benefit of nutrients to cells? (3)
Nutrients help cells grow, repair, and maintain themselves.
The digestive system consists of?
One ~9m long tube called the (gastrointestinal tract/alimentary
canal).
Your digestive system is capable of producing how many liters of digestive juices a day?
6L-8L
Two things that aid digestion?
Enzymes and bacterial by-products.
The four digestive stages are?
Ingestion, Digestion, Absorption, and Egestion.
What is Ingestion?
The taking in of nutrients
What is Digestion?
Breakdown of complex organic molecules (nutrients).
What is absorption?
The transport of digested nutrients into cells.
What is egestion?
The removal/exretion of bodily waste.
The two types of digestion?
Physical and chemical digestion.
What is physical digestion?
Mechanical breakdown of food into smaller pieces.
What is chemical digestion?
Enzymes in the body increase chemical reactions which in turn breaks down food.
