Digestive Process
What is the first step in the digestive process?
Chewing and swallowing
What are the 2 functions of the respiratory system?
Take in oxygen from the air
Release carbon dioxide
What organ is shaped like a bag and fills up with gastric juices?
Stomach
What structure warms and filters air?
Nostrils
Name 1 disease from the respiratory system and 1 disease from the digestive system.
Answers vary.
True or False: When the bolus reaches the stomach it mixes with gastric juices.
True
True or False: The diffusion of gas occurs in the bronchioles.
False. It occurs in the alveoli.
True or False: The liver produces hormones and secretes them into the bloodstream.
False. Pancreas
Diaphragm
What disease is caused by drinking too much alcohol? What organ is impacted?
Cirrhosis-- Liver
Place the gastrointestinal tract (GI) in order: esophagus, small intestine, pharynx, oral cavity, stomach, large intestine.
Oral cavity, pharynx, esophagus, stomach, small intestine, large intestine.
Explain the two stages of pulmonary ventilation.
Inhalation- diaphragm contracts, lungs enlarge, inhale air
Exhalation- diaphragm relaxes, lungs return to 'normal' size, exhale air
True or False: The liver stores bile.
False, gallbladder
Name 2 structures of the respiratory system and describe their functions.
Answers vary.
What disease causes wounds because it destroys the gastric mucosa of the stomach or duodenum?
Ulcers
True or False: The stomach only breaks down food using a chemical process, so that the nutrients can be absorbed into the blood.
False, chemical and mechanical
Muscular contractions of the stomach move the chyme by kneading it.
True or False: Cellular respiration requires the functions of the respiratory system.
True-- the respiratory system provides oxygen for cellular respiration and expels CO2 to avoid its toxic accumulation
What organ contains microscopic capillaries and collects the nutrients obtained after digestion?
Small intestine
What is the name of the structure that regulates the passage of air into the larynx and stops food from entering the larynx?
Epiglottis
What disease restricts the passage of air leaving a feeling of breathlessness and anxiety?
Asthma
Two processes are required for digestion, which is the breakdown of complex molecules found in food into simple molecules that can be absorbed into the blood.
Chemical Process
Put the structures in order of air traveling through the respiratory system.
Lungs, Bronchi, Alveoli, Nostrils/mouth, Airway/Trachea, Bronchioles
Nostrils/mouth, Airway/Trachea, Lungs, Bronchi, Bronchioles, Alveoli
What are the 3 accessory glands? Name the secretion produced.
Salivary- saliva
Pancreas- hormones, pancreatic juices
Liver- bile
Where does gas exchange take place? What gas do we inhale? What gas do we exhale?
Alveoli (lungs)
Inhale (O2), Exhale (CO2)
What respiratory disease occurs when food/drinks travel into the lungs instead of the stomach?
Hint: Common in elderly people
Pneumonia