Tag: respiration

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INTRODUCTION TO LIFE PROCESSES

Life processes are the basic functions performed by living organisms to survive on earth. It has to be performed uninterruptedly in both active and inactive stage of organism. Some of the life processes are nutrition, respiration, transportation, excretion, control and coordination, growth etc. Every living organism needs energy for performing every life processes. NUTRITION:   Nutrition […]

RESPIRATORY SYSTEM IN HUMAN BEINGS

Respiratory organs of human body are nose, larynx, alveoli, bronchi etc. In human beings, the air is taken into the body through a pair of external nostrils. This air is filtered by fine hairs and mucus that are lining the nasal cavity. From here the air enters into the throat through larynx. Larynx is enlarged […]

RESPIRATION

Respiration is a complex process that includes the combination of breathing and cellular respiration. Breathing: Breathing is exchange of gases i.e intake of oxygen from the atmosphere and release of carbon dioxide. Cellular respiration: It is the complex catabolic process, in which the biochemical oxidation of nutrients takes place for the production of energy in […]