CBSE Class 10 Biology Life Processes
Nutrition in Plants
Photosynthesis is the process where chlorophyll in green plants converts simple inorganic compound like water and carbon dioxide to complex organic compound Carbohydrates or glucose - in the presence of sunlight.
Plants store glucose in form of starch
Nutrition in Animals
Human digestive system comprises of a long hollow tube called alimentary canal and some digestive glands.
The end products of digestion are absorbed in the small intestine with the help of villi.
Introduction to Respiration
Aerobic respiration occurs in cytoplasm and mitochondria and produces 38 moles of ATP.
Anerobic respiration takes place in the cytoplasm only and produces 2 moles of ATP.
Plants exchange gases from the atmosphere through stomata while aquatic animals respire through gills.
Circulatory System in Humans
In humans the blood flows through 2 loops -Pulmonary and systemic circulation.
The heartbeat is initiated and regulated by cardiac muscles.
The fish and amphibians have 2 and 3 chambered heart respectively.
Transportation in Human
Blood consists of plasma with RBCs, WBCs and platelets. Arteries transport blood from heart to the tissues.
Blood pressure is the force that blood exerts against the wall of a vessel. Lymphatic system circulates Lymph or tissue fluid.
Transportation in Plants
The rise of water and dissolved minerals in the xylem vessels against the force of gravity is known as Ascent of sap.
Transpiration is the process by which water vapor escapes from the stomata in the leaves of living plants.
Human excretory system consists of pair of kidney and ureter, a Urinary bladder and a urethra.
Nephrons are structural and functional units of kidney. Ultrafiltration, Tubular reabsorption, and Tubular secretion are the steps of Urine formation inside a nephron.
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