Difference between rods and cones
Difference between rods and cones Point of difference RODS CONES Number More numerous, 125 millions in each eye Less than rods, 7 millions in each […]
Class 12
Human Eye: Anatomy, parts and structure
Human Eye: Anatomy, parts and structure The eye is the photo-receptor organ. Size and shape: Human eye is spherical about 2.5 cm in diameter. Location: […]
Pulmonary air volume and capacities
Pulmonary air volume and capacities In normal quiet breathing there are about 15 complete respiratory cycles per minute. The amount of air exchanged during breathing […]
Bohr effect- Oxygen dissociation curve and effects of CO2
Oxygen dissociation curve The effect of carbon dioxide and acidity favor the formation of Oxyhaemoglobin at low concentration of CO2 and H+ ion and causes […]
Chloride shift/Hamburger phenomenon
Chloride shift/Hamburger phenomenon The greater proportion (70%) of carbon dioxide is transported in the form of bicarbonates. The CO2 reacted with the water of the […]
Mechanism of respiration in Human
Entire physiology of respiration involves following steps Breathing or pulmonary ventilation External respiration Transport of O2 to tissue Internal respiration Transport of CO2 from tissue […]
Physiology of digestion
Physiology of digestion Digestion: Digestion is the process of gradual break down of foods that we eat in a soluble form suitable for absorption. For […]
Salivary gland
Salivary gland The human salivary gland is an exocrine gland. The salivary gland includes- the paired parotid, submandibular, and sublingual glands. The major function of […]
Permanent tissue: characteristics, types and functions
Characteristics of permanent tissue: Permanent tissues are derivatives of meristematic tissue They are mature tissue and the cell have lost the capacity of cell division. […]
Meristematic tissue: characteristics, types and function
Characteristics of meristematic tissue (Greek word; meristos- means “divisible”) Meristematic tissue is a group of cells that has power of continuous division. Cells are immature […]