The Gastrointestinal System: Fuel For The Trip
No description yet. This curated deck is ready for daily study.
Card preview (24)
The digestive tract, often called the alimentary tract or canal, is a ?
Muscular tube that contains the organs of digestion
The accessory organs of the digestive system include?
Teeth, salivary glands, liver, pancreas, and gallbladder
What are the functions of the gastrointestinal tract?
• Ingestion- food enters the mouth • Mastication (chewing)- mechanically grinding food with the teeth and tongue • Digestion- the chemical act of breaking down food into small molecules • Secretions- release of acids, buffers, enzymes, and water to aid in the breakdown of food • Absorption- food passes through lining of digestive tract into blood • Excretion or defecation- elimination of waste products
The oral cavity is the?
Opening behind the mouth
The hard and soft palate is the?
Roof
The tongue is the ?
Floor
The cheeks are the?
Walls
The uvula aids in ?
Swallowing, directing food toward the pharynx and blocking food from entering your nose
The mouth receives, tastes,______?
Mechanically breaks down, and begins starch digestion
Your tongue provides taste stimuli to your brain to ?
Determine temperature, and manipulates food
The salivary glands produces ?
1-1.5 liters of saliva daily
Saliva is 99.4% water, and contains?
Antibodies, buffers, ions, waste products, and enzymes
Incisors are located at the front of the mouth, are ?
Blade-shaped, and are used to cut food
Canine teeth are for?
Hold, tearing, or slashing food
Bicuspids, or premolars, are?
Transitional teeth
Molars have ?
Flattened tops
Both bicuspids and molars are responsible for?
Crushing and grinding food
Epithelial cells form a tight seal around the tooth to prevent ?
Bacteria from coming into contact with the tooth’s root
What are the 3 parts of the pharynx?
The nasopharynx, oropharynx, and epiglottis
The nasopharynx is primarily part of the?
Respiratory system, blocked by the soft palate
The oropharynx and laryngopharynx act as a ?
Passageway for food, water, and air
The epiglottis covers the trachea to prevent food from?
Entering the lungs, forcing food into the opening for the esophagus
Mucous cells generate a thick layer of mucus shielding the stomach from?
The effects of the stomach
The stomachs activity is controlled by the?
Parasympathetic nervous system (vagus nerve)