Mullin's Marbles
Name of the digestive enzyme found in the stomach that helps to break down protein.
The stomach has three types of _________________ which help to move the food around and break it into tiny pieces
muscles
In which organ does MOST chemical digestion occur?
small intestine
alveoli
True or False? DIFFERENT ENZYMES HAVE THEIR OWN UNIQUE JOB TO DO. FOR EXAMPLE, AMYLASE IS THE ENZYME RESPONSIBLE FOR BREAKING DOWN STARCH INTO SIMPLE SUGAR.
True
One job of HCl is to activate ___________________. This begins the chemical breakdown of proteins.
pepsin
This organ produces digestive enzymes.
pancreas
When you chew your food and break it into smaller pieces, what increases?
surface area
What is the main purpose of cellular respiration in the body?
to create energy
What are the names of the two major "pipes" that relate to the digestive and respiratory systems?
esophagus and trachea
What are the "ingredients" for gastric juice?
pepsin and HCl
Energy from the cell is not needed for it to occur. This describes which type of "transport"?
passive transport
What two gases are exchanged during gas exchange?
oxygen and carbon dioxide
What are the ingredients (reactants) for cellular respiration?
What are the "waste products" of cellular respiration?
What is the name of the process responsible for moving food from the mouth through the digestive system?
peristalsis
What is meant by "semi-permeable"?
NOT ALL SUBSTANCES ARE ABLE TO PASS THROUGH THE WALL OF THE CELL MEMBRANE
What are three features of the small intestine that help to give it a lot of surface area?
Wrinkles, folds, villi, microvilli, length (690 cm)
Which organ of the digestive system moves food to the stomach?
The main job of this muscle is to control the opening and closing of digestive organs, and to keep food moving in the right direction.
sphincter
The stomach wall contains glands that secrete which three things?
Mucus, pepsin, HCl
Certain substances pass through a cell membrane only if the living cell supplies ______________, in a process called ACTIVE TRANSPORT.
ENERGY
The ____________ (fingerlike projections) of the small intestine allow for maximum _________________ absorption to occur.
villi, nutrient
The main purpose of our digestive system is to break down the food we eat so that ___________________ can be absorbed into the body.
nutrients
The main function of this organ is to absorb water and form waste.
large intestine