Life Processes:
The processes that regulate maintenance functions of
living organisms are called Life processes.
Autotrophic Nutrition
Autotrophic nutrition is a process where the organism
prepares its food from the simple inorganic materials like water, mineral salts
and carbon dioxide in the presence of sunlight
Photosynthesis
Photosynthesis is the process by which autotrophs use
carbon dioxide and water to prepare carbohydrates in the presence of sunlight
and chlorophyll.
Heterotrophic nutrition
Heterotrophic nutrition is a type of nutrition in
which organisms depend upon other organisms for food to survive.
Villi
The inner lining of the small intestine has numerous
finger-like projections called villi.
Arteries
Arteries are the vessels which carry blood away from
the heart to various organs of the body.
Veins
Veins collect the blood from different organs and
bring it back to the heart.
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