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Bio Exit ticket 7

Term or Question Anser or Definition
Nutrition The process of obtaining food and breaking it down. Nutrients provide energy and materials needed for metabolism (Growth, Repair, Etc.)
Organic Nutrients Proteins, Carbs, Fats, Vitamins.
What are used as coenzymes? Vitamins are needed as coenzymes in many reactions.*
Inorganic Nutrients Minerals and Water
Ingestion Taking in food
Digestion Breaking down food, so molecules can be absorbed
Mechanical Digestion Food cut, crushed, ground up, the surface area of food particles is increased
Chemical Digestion Digestive enzymes work on the surface of the food particles to break them down
Absorption When nutrients pass through cell membranes
Egestion Removal of large undigested food
Intracellular Occurs within the cell
Extracellular Occurs outside of the cell
Bolus Food that enters the pharynx
Epiglottis Closes to prevent food from entering the trachea
Peristalsis Waves of muscle contraction and relaxation
Stomach Thick- walled J-shaped pouch
Enzyme Breaks Things down
Amylase Breaks down starch
Trypsin and Proteases Break down proteins
Lipase Breaks down fats
Pepsin An Enzyme that begins to break down proteins
Emulsification Breaking down large fats and making them into smaller fat globules
Villi A network of blood vessels around them for the absorption of sugars and amino acids into the blood
Mesentery A continuous set of tissues located in your abdomen. It attaches your intestines to the wall of your abdomen and it holds them in place
Caecum A pouch is connected to the junction of the small and large intestines
Heterotroph Cannot make its own food
Autotroph Make its own food
Diffusion Movement of molecules from a high concentration to a low concentration
Excretion Getting rid of waste products
Hydrochloric Acid Lots of acid in the stomach
Salivary Amylase Describing an enzyme that gets produced by an enzyme
A form of Mechanical Digestion Chewing your food
A form of Chemical Digestion The acid in your stomach
Esophagus It is a muscular tube lined with mucous membrane that connects the throat to the stomach
Acidic Ph levels rage from..... 0-7
Basic Ph levels range from..... 8-14
The Neutral Ph level is...... 7
A simple Sugar is....... Glucose
Transport Circulation and absorption of nutrients
Digestion Obtaining and processing food
Nutrition/Respiration The release of energy from food
Regulation Control and coordination of all activities in an organism
Excretion Removal of harmful cellular waste
Growth An increase in size and/or number of cells of an organism
Reproduction The production of new individuals
Synthesis Producing complex substances from simple substances
Metabolism The sum total of all life functions
Cell A cell is a basic, microscopic part of living matter
Tissue A tissue is a mass similar to cells that form a particular part or organ of an animal or plant, as in muscle or tissue.
Organ An organ is part of the body that does a particular job.
Organ system An organ system is a group of organs that work together to accomplish a specific task in the body.
What is the function of the human digestive system? The digestive system breaks down food to give us nutrients.
What are some organs that make up the Human Digestive System? The organs that make it up are the stomach, small intestine, and pancreas.
Salivary Glands The function of the salivary glands is to make saliva and empty it into our mouths.
Mouth Breaking down food mechanically, and the mouth is also used for speaking.
Epiglottis To prevent food and water from getting into your lungs
Pharynx Passage for nutrients between the month and the esophagus.
Esophagus To transport food from pharynx to the stomach.
Stomach Holds food while their enzymes break down the food.
Small Intestine Breaks down food
Pancreas Controls your glucose levels.
Liver Filter blood from the digestive tract before giving blood to the rest of the body.
Gallbladder Stores bile, help break down fatty foods.
Large intestine Absorption of water
Rectum Attaches the intestines of the abdominal wall
Mesentery Where stool exits the body
Created by: Kaylaq
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