Structure and working of heart and blood vessels

Circulatory System The circulatory system can be compared to a system of interconnected, one-way roads that range from superhighways to back alleys. Like a Network of roads, the job of the circulatory system is to allow the transport of materials from one place to another. As described in Figure below, the materials carried by the … Read more

Circulatory System

 Circulatory System v  The circulatory system can be compared to a system of interconnected, one-way roads that range from superhighways to back alleys. v  Like a Network of roads, the job of the circulatory system is to allow the transport of materials from one place to another. v  As described in Figure below, … Read more

Blood Groups

 Blood groups Blood Group, Classification of blood based on inherited differences (polymorphisms) in antigens on the surfaces of the red blood cells (erythrocytes). Inherited differences of white blood cells (leukocytes), platelets (thrombocytes), and plasma proteins also constitute blood groups. English physician William Harvey announced his observations on the circulation of the blood in … Read more

Circulatory System (1)

 Circulatory System The circulatory system can be compared to a system of interconnected, one-way roads that range from superhighways to back alleys. Like a Network of roads, the job of the circulatory system is to allow the transport of materials from one place to another. As described in Figure below, the materials carried … Read more

DPPQ- Human Eye

Question:Defect of vision in which far objects appear blurred but near objects are seen clearly is >>>Myopia >>>Hyperopia >>>Astigmatism >>>Cataracts >>>option1 Question:Defect of vision in which there is difficulty with near vision but far objects can be seen easily is >>>Myopia >>>Hyperopia >>>Astigmatism >>>Cataracts >>>option2 Question:Defect of vision in which some Light rays ared focused … Read more

Excretion

–2/”>a >DOCTYPE html PUBLIC “-//W3C//DTD XHTML 1.0 Transitional//EN” “http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd”> :In Plants , the process by which animals and plants rid themselves of waste products and of the nitrogenous by-products of Metabolism. Through excretion organisms control osmotic pressure—the balance between inorganic ions and water—and maintain acid-base balance. The process thus promotes homeostasis, the constancy of the … Read more

Blood Group

–2/”>a >DOCTYPE html PUBLIC “-//W3C//DTD XHTML 1.0 Transitional//EN” “http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd”> is an inherited feature on the surface of the red blood cells. A series of related blood types constitutes a blood group system, such as the Rh or ABO system. The frequencies of the ABO and Rh blood types vary from Population to population. In the … Read more

Blood Bank

–2/”>a >DOCTYPE html PUBLIC “-//W3C//DTD XHTML 1.0 Transitional//EN” “http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd”> is a place where blood is collected from donors, typed, separated into components, stored, and prepared for transfusion to recipients. A blood bank may be a separate free-standing facility or part of a larger laboratory in a hospital. Separation of blood Typically, each donated unit of … Read more

Transport Of Water And Minerals In Plants And Animals

–2/”>a >DOCTYPE html PUBLIC “-//W3C//DTD XHTML 1.0 Transitional//EN” “http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd”>   Transport of water in Plants The survival of plants is dependent on a number of factors which include water, Minerals, gases, and nutrients they receive. The movement of gas, water, and nutrients in plants are carried out in components. They take in carbon dioxide from … Read more