Biology breathing Flashcards
What is my diagram made of?
Muscles
What is the function and adaptations for the ribcage?
For the functions it protects the heart and lungs and for the adaptations it’s strong
What is the function and adaptations for the alveolus?
For the function it allows oxygen to diffuse into the blood and for gas exchange to occur and for adaptations it ha. Large surface area and a thin wall
What is the function and adaptations for the diaphragm?
For the functions it alters the volume of the chest cavity and for adaptations it can contract and cause movement
What happens when you body inhales?
Muscles in between the ribs contract (tighten), this pulls the ribcage up and out
Diaphragm contracts, it moves down
Volume inside our chest increases
Pressure inside our chest decreases, drawing air into the lungs
Bell-jar model when inhaled?
Rubber sheet pulls down
Volume inside jar increase
Pressure inside jar decreases, so air rushes into the jar
The balloons inflate
What happens in your body when you exhale?
The muscles in between the muscles relax
The diaphragm relaxes, moving up
The volume inside chest decreases
The pressure inside chest decrease, pushing the air out of the lungs
Bell-jar model when exhaling?
The rubber sheets pushes up
The volume inside jar deceases
Te pressure inside jar increases, making air rush out of the jar and the balloons deflate
Name 7 differences between inhales and exhaled air
Inhales air contains more oxygen
Oxygen is used in respiration
Exhales air contains more Carbon Dioxide
Carbon Dioxide is a waste product of respiration
Exhaled air contains more water vapour
Water vapour is a waste product of respiration
Exhaled air is warmer
How can you measure lung volume?
As you breathe, air rushes out of the water in the bottle, if you breathe out fully, the lung volume of water pushed out of the bottle is equal to how much air your lungs can hold.
Large lung volume means?
More oxygen can enter the body
