Terminology Flashcards
Gaseous exchange
The diffusion of gases between the environment and the cells of the organism that occurs across a membrane
breathing
is the physical taking in of air (inhalation) and letting out of air (exhalation)
cellular respiration
is the chemical process whereby oxygen and glucose are used by the mitochondria to produce carbon dioxide and water and release their energy from food
gaseous exchange pt 2
this occurs in the lungs where oxygen diffuses into the blood and carbon dioxide diffuses out of the blood
EUSTACHIAN tube opening
Equalise air pressure on both sides of the eardrum
Uvula (part of soft palate)
Prevents food from entering the nasal passage when you swallow
Mouth/buccal cavity
passage for food and air to pass through
Oesophagus
passage for food that is transported from the mouth to the stomach
Paranasal sinuses or just sinuses
produces the mucus from the mucous membrane and is a spongy bone
turbanite bones
reduce the speed of airflow. The mucous membranes warm the air and make it moist and they filter out bacteria and spores
Upper Jaw with hard palate
hard palate has ridges to help with mechanical digestion and separates the nasal cavity and mouth
tongue
mixes food with saliva pushes food under teeth assists and swallowing and word formation when talking
Epiglottitis
stops food from going down the trachea when swallowing
Larynx
piece of cartilage forms over our voice box
Trachea
Airway that remains open for air to flow to and from the lungs
C-shaped cartilage rings
keeps trachea open at all times and the opening at the back allows the oesophagus to expand when food is swallowed
What is trachea lined with
cilia
Broncos
trachea divide into two airways to take air to both lungs
Heart
A pump to ensure that oxygenated blood is pumped throughout the body
lungs
provide a large moist gaseous exchange surface
External intercostal muscles
when they contract the chest cavity enlargers for inhalation
Internal intercostal muscles
when they contract the chest cavity gets smaller for exhalation
Plural membranes
line the lungs and rib cage and along with the pleural fluid between them they prevent friction between the lungs and rib cage
Plural fluid
prevents friction between lungs and rib cage during movement and breathing
rib
forms of protective cage for the lungs and heart
Bronchioles
tiny tubes taking air to the alveoli
Alveoli
provides a large internal surface area for gaseous exchange