Digestive system
Where does the process of digestion begin?
Mouth
This organ transports food from the mouth to the stomach
esophagus
Ingestion, Digestion, Absorption, Elimination
What is the name for a chemical that speeds up a chemical reaction in the body. Examples of this are amylase or pepsin
Enzyme
What is in saliva that begins the breakdown of carbohydrates?
Amylase
Name the organs of the digestive tract and put them in the correct order of digestion (Hint: 5 organs)
Mouth, esophagus, stomach, small intestine, large intestine
What is mechanical digestion?
physical break down of food by breaking, tearing, crushing and mashing
What does the stomach have in it that lowers the pH?
hydrochloric acid
What nutrient serves as our body's main source of energy?
Carbohydrates (fruits, vegetables, grains, bread)
Name of the watery substance found in our mouths that facilitates the first chemical digestion
Saliva
What is the function of the small intestines?
Absorb nutrients
What is chemical digestion?
breaking down food by enzymes
The mixture of food and stomach acid that leaves our stomach and goes to the small intestine is called _________
chyme
What are the monomers that makes up proteins?
Amino Acids
What area do the digestive and resrpirtory intakes diverge?
pharynx
This organ absorbs excess water and compacts waste
large intestine
What system transports the nutrients from the digestive system to the rest of the body.
Circulatory system
What type of muscle squeezes the digestive tract to keep food moving?
Smooth muscle
Name the 3 accessory organs that aid in digestion.
Liver, pancreas, gallbladder
What type(s) of digestion occur(s) in the stomach?
chemical and mechanical
How do enzymes affect the energy needed for a chemical reaction?
Lower the activation energy
Increase
What are the circular muscles that keep food where it should be in the digestive system called?
Sphincter muscles
What fluid is made and released by the liver and stored in the gallbladder. It helps with digestion and breaks down fats.
Bile
What factors can affect the effectiveness of enzymes?
Temperature, pH, enzyme quantity