Respiration & Circulation
, Organs of Respiratory Exchange
For efficient gaseous exchange, the respiratory surface should have
the following features :
Gaseous exchange are of two forms :
Gaseous exchange in Plants
Respiration in Animals
, Gaseous exchange in plants :
The shape and structure of plants facilitate gaseous exchange by diffusion.
A terrestrial flowering plant has many air spaces between the cells of stem,
leaf and root.
These air spaces are continuous.
Exchange of gases takes place between the air and the tissue.
Oxygen diffuses into the air space through stomata (the pores on leaves and
young stems), carbon dioxide and water vapour diffuse out.
, Respiration in Animals :
It is Complex process in Animals
Respiratory organs are also associated with a transport
system.
, Organs of Respiratory Exchange
For efficient gaseous exchange, the respiratory surface should have
the following features :
Gaseous exchange are of two forms :
Gaseous exchange in Plants
Respiration in Animals
, Gaseous exchange in plants :
The shape and structure of plants facilitate gaseous exchange by diffusion.
A terrestrial flowering plant has many air spaces between the cells of stem,
leaf and root.
These air spaces are continuous.
Exchange of gases takes place between the air and the tissue.
Oxygen diffuses into the air space through stomata (the pores on leaves and
young stems), carbon dioxide and water vapour diffuse out.
, Respiration in Animals :
It is Complex process in Animals
Respiratory organs are also associated with a transport
system.
