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Chapter 35 Biology
The Digestive and Endocrine system.
Terms in this set (45)
Digestive enzyme that breaks down starch into smaller molecules.
a muscular tube that connects the mouth to the stomach
Series of involuntary muscle contractions along the walls of the digestive tract.
Flap of cartilage that covers the opening to the respiratory tract during swallowing.
Muscular, Pouchlike enlargement of the digestive tract
Digestive enzyme that that begins the chemical digestion of proteins.
Last section of the digestive system from which feces are eliminated.
Regulates metabolism, growth, and development.
Chemicals that break down fats into small droplets.
Specific cells in the body to which hormones convey information.
Unit of heat used to measure the energy content of food.
Narrow, Muscular tube in which digestion is complete.
Organ that releases hormones directly into the blood stream
Organ that produces bile
Starches are are large _______-.
Action of pepsin on proteins.
Which of the following is NOT mechanical digestion?
A large number of villi.
The surface area of the small intestine is greatly increased by ____________.
Which of the following is part of the digestive tract?
Synthesis of vitamin K
Which of the following occurs in the large intestine as the work of anaerobic bacteria?
Vitamins are used by the body to ___________.
Which is the most abundant substance in the body?
The body's preferred energy source is _____________.
As a result of digestion, proteins are broken down into _________.
Cellulose is important in the diet as a source of ___________.
Pepsin works best in the presence of __________.
Digestive hormone that increases blood glucose.
Digestive hormone that decrease blood glucose.
Glucose is converted into ________ in the liver and stored for future use.
Muscle contractions to help digest food.
What is peristalsis and what does it does it do?
Esophagus, Stomach, small/large intestine, duodem and rectum
What are the parts of the digestive system called?
Duodem and rectum
What are parts of the small/large intestines?
Grains and Vegetables
What are the source of fiber in our diet?
Cellulose - Fiber
The scientific name of the molecule that serves as good fiber.
What are the sub-units of proteins?
What is the body's choice energy source?
What is the body's most abundance substance in the body?
Growth and to sustain cellular function
What purpose do vitamins serve?
Small intestine, mouth, esophagus, stomach.
What are the parts of the digestive tract?
Anaerodbic bacteria work in the digestive tract symbiotically to produce _________ for humans to use.
to obtain even more nutrients.
What is the purpose of the small intestine?
Where is bile produced?
What part of the digestive system has the lowest PH?
Mechanical digestion; and Yes.
What happens in the mouth? is this where digestion begins?
Where is stomach acid neutralized?
Polysaccharides ; simple sugars (monosaccharides) ; Amylase
What are starches? what are they broken down to? What enzyme works on starches?
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