Submitted by. Vani Chandran
Submitted to Soya .P
The respiratory system is a Biological
system consisting of specific organs and structures
used for the process of respiration in an organism.
The respiratory system is involved in the intake
and exchange of oxygen and carbon dioxide between
an organism and the environment.
The oesophagus and trachea started at the
pharynx. So there is a chance for food to enter the
trachea. It is the epiglottis that prevents.
Starts at the pharynx . It is made up of
complete ring of cartilage. There are cilia and mucus
Two branches of trachea. Each opens into a lung on
Two lungs . Found on either side of the heart in
Double membrane covering the lung.
There is a fluid between these
membranes. The fluid reduces
friction when the lungs contract and
Branches of the bronchi. Carry air
into the alveoli
Each bronchiole ends in a group of alveoli. The lung is made up of alveoli. There are
blood capillaries covering the alveoli. Exchange of gases takes place at the alveoli.