(Sci) Biology - Respiratory System
Subject : Science Chapter : Life Processes-6 (Bio) Topic : Respiratory System and it's Model Sorry for my bad handwriting...and for not clear pic but I have provided the information which I have written in this pic..... *Write the matter on A4 sheets as mentioned below. Name : xyz Topic : Respiratory System Materias used : ★ Cardboard Sheet ★ Colour Pens ★ Straws ★ Tape ★ Glue ★ Papers *(Include what you have used....i have shown for example) HUMAN RESPIRATORY SYSTEM: The human respiratory system is composed of a pair of lungs. These are attached to a system of tubes which open on the outside through the nostrils. Following are the main structures in the human respiratory system: Nostrils : There two nostrils which converge to form a nasal passage. The inner lining of the nostrils is lined by hairs and remains wet due to mucus secretion. The mucus and the hairs help in filtering the dust particles out from inha