Food & Energy
Food & Energy 2
Digestive Process
Digestive Process 2
Mystery
100
Fat
What are energy-containing nutrients that are composed of carbon, oxygen, and hydrogen
100
Vitamins
What is one of many organic molecules needed by the body in small amounts in a variety of chemical reactions wirthin the body
100
Digestion
What is the process that breaks down complex molecules of food into smaller nutrient molecules
100
absorption
What is the process by which nutrient molecules pass through the wall of the digestive system into the blood
100
the part of the digestive system in which most chemical digestion takes place
What is the small intestine
200
Nutrients
What are substances in food that provide the raw materials and energy needed for an organism to carry out its essential processes
200
Minerals
What is a nutrient that is needed by the body in small amounts and is not made by living things
200
Mucus
What is a thick, slippery substance produced by the body
200
An organ in the form of a muscular pouch where food is broken down; located in the abdomen
What is the stomach
200
any change or signal in the environment that can make an organism react in some way
What is stimulus
300
Glucose
What is a sugar that is the major source of energy for the body's cells
300
Calorie
What is the amount of energy needed to raise the temperature of one gram of water by 1ºC
300
The fluid released from glands in the mouth that plays an important role in both mechanical and chemical digestion
What is saliva
300
A type of protein that speeds up a chemical reaction in a living thing
What is an enzyme
300
the part of the central nervous system that is located in the skull and controls most functions in the body
What is the brain
400
Carbohydrate
What is an energy-rich organic compound, such as sugar or starch, that is made of the elements carbon, hydrogen, and oxygen
400
Protein
What is a large organic molecule made of carbon, hydrogen, oxygen, nitrogen, and sometimes sulfur
400
Peristalsis
What is waves of smooth muscle contractions that move food through the esophagus toward the stomach
400
Esophagus
What is a muscular tube that connects the mouth to the stomach
400
an autonomic response that occurs rapidly and without conscious control
What is reflex
500
Amino Acid
What is one of 20 kinds of organic compounds that are linked chemically to one another, forming proteins
500
The most important nutrient that helps regulate body temperature and removes wastes
What is water
500
A flap of tissue that seals off the windpipe and prevents food from entering the lungs
What is epiglottis
500
The last section of the digestive system, where water is absorbed into the bloodstream and the remaining material is eliminated from the body
What is the Large intestine
500
the thick column of nervous tissue that links the brain to most of the nerves in the peripheral nervous system
What is the spinal cord
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