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Worksheets#31 Respiratory System
Total questions: 22
Worksheet time: 1hrs 12mins
What is diffusion?
When a material flows from a low concentration to a high concentration
When a material flows from a high concentration to a low concentration
What are some selection pressures that lead to the evolution of land breathing organism 380 million years ago?
Global cooling, sea level was rising, and losing oxygen
Global warming, sea level was falling, and losing oxygen
What is the diaphragm?
muscles that raise the rib cage
a set of muscles that separates your thorax from your abdomen
When your lungs are empty what does your diaphragm do?
muscles that raise the rib cage
a set of muscles that separates your thorax from your abdomen
relaxes and pushes up against your lungs
contracts and pushes up against your lungs
When you breath in what does your diaphragm do?
contracts and the external intercostal muscles in ribs contract lifting the ribs up and out
a set of muscles that separates your thorax from your abdomen
relaxes and pushes up against your lungs
contracts and pushes up against your lungs
What is the job of the conducting zone?
Allow air into the lungs
Allow for oxygen exchange
What is the function of the respiratory zone?
Allow air into the lungs
Allow for oxygen exchange
Why is the left lung smaller than the right?
The right lung only has 2 lobes (not 3 like the right) because the space needed for the heart
The left lung only has 2 lobes (not 3 like the right) because the space needed for the heart
What is chronic bronchitis?
inflammation of the lungs
hyperinflation of air sacs with destruction of alveolar walls
inflammation of the bronchi that persists over long periods of time
What is emphysema?
inflammation of the lungs
hyperinflation of air sacs with destruction of alveolar walls
inflammation of the bronchi that persists over long periods of time
What is pneumonia?
inflammation of the lungs
hyperinflation of air sacs with destruction of alveolar walls
inflammation of the bronchi that persists over long periods of time
When your lungs are empty what does your diaphragm do?
Your diaphragm contracts and pushes up against your lungs
Your diaphragm relaxes and pushes up against your lungs
Why is the left lung smaller than the right?
The left lung only has 2 lobes (not 3 like the right) because the space needed for the heart
The right lung only has 2 lobes (not 3 like the left) because the space needed for the heart
What important function does the nose and mucus perform?
Keeps air warm and dry for sensitive lung cells and blocks some invaders
Keeps air warm and moist for sensitive lung cells and blocks some invaders
Some people say the human body is perfect. How does our breathing system disprove this?
What organ directs food away from the trachea and towards the esophagus?
Tracheae
Epiglottis
Pharynx
Why is the trachea rigid in structure?
Why is the esophagus loose in structure?
Where does the bulk of gas exchange occur?
Tracheae
Epiglottis
Pharynx
Alveolar sacs
What type of tissue is alveoli?
Stratified cuboidal epithelial tissue
Simple squamous epithelial tissue
Pseudo-stratified cuboidal epithelial tissue
How much surface area do the average person's lungs take up?
75 square meters or 807 square feet
7.5 square meters of 880.7 square feet
Tell me anatomically and physiologically what is happening when you take a breath? (use the words: phrenic nerve, diaphragm, medulla oblongata, external intercostal muscles, mucus, bronchi, and alveolar sacs)
