Nutrition and Digestive System Miss Saha

Definition of Terms  Nutrition  Animal receives a proper and ____________ food and water ration so it can grow, maintain its body, reproduce, and supply or produce expected ___________.  Nutrient  Single food or ________ of foods of the same general chemical composition that supports animal life.

Water  Support the body’s ___________ reactions  Transport other nutrients  Aide in body temperature _________________  Help give the body its form  Carry ______ from the body

Importance of Water  Most important __________  Loss impedes circulation, results in dehydration, slows body functions  Carries ____________ for disease control  Makes up about _______ of an animal’s body

Proteins  ___________ and repair body organs and tissues  Produce milk, wool, and eggs  Develop the fetus  Serve as _________ material for enzymes and hormones  Develop antibodies  __________ DNA

Importance of Proteins  Broken into amino acids during _________  Animals must consume essential amino acids  _________ can create all amino acids  Amino acids contribute to animals’ _________  Function and growth determine animals’ amino acid ________

Carbohydrates  Support bodily functions  Produce heat to warm the body  Store fat

Importance of Carbohydrates  Converted by animals into energy  Made of sugars, starches, and crude fiber  Completely digested sugars and starches are nitrogen-free extracts  Crude fiber is mostly non-digestible bulk or roughage  Large amounts of crude fiber better handled by some animals (ruminants)

Fats  Provide Energy  Aid in absorption of fat- soluble vitamins  Provide fatty acids