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BLOOD (FOR NEET, SSC AND UPSC) Blood is composed of blood cells or corpuscles, suspended in clear, straw-colored liquid called plasma. The cells include: Red Blood Cells or Corpuscles (Erythrocytes) White Blood Cells or Corpuscles (Leucocytes) Platelets or Thrombocytes These cells make 45% of the total blood volume, rest 55% …

PITUITARY GLAND (Hypophysis) Pituitary is a pea-shaped gland, its anterior part is attached to the hypothalamus with the help of hypophysical portal blood vessels and posterior part is attached to the axons of the hypothalamic neurons. It is known as the master gland of our body. Morphologically, pituitary gland is …

Antibody (plural-antibodies) Antibodies are the proteins which are found in the human body. They are also called immunoglobulins. Thus, they are abbreviated as Igs. Igs are gamma globulin part of blood proteins. This article helpful for competitive exams also. (UPSC,SSC,NEET…etc) ANTIBODY STRUCTURE The structure of antibody can be described as: …

MATTER Anything which occupies space and has mass is known as matter. For eg, air, water, milk, hydrogen. Everything around us is made up of tiny particles. The particles which make up the matter are known as atoms. These small particles are in constant motion, which is known Brownian movement. …

ADRENAL GLANDS The adrenal glands are also known as suprarenal glands, are situated on the top of each kidney. Each adrenal gland consists of 2 regions: the outer region which is also known as adrenal cortex and the inner region which is also known as the adrenal medulla. The adrenal …

Atomic Structure

endocrine system

CELL A cell is the structural and functional unit of life. It is the basic unit of life. Cell was discovered by Robert Hooke (1653) in cork, as honeycomb structure. A human being is made up of infinite number of cells that does various functions in the body. Cell Theory …

POPULATION INTERACTIONS Population is a group of individuals of the same species. An organism cannot live in isolation, interaction always occurs. This interaction can be beneficial, harmful or neutral. ‘+’ marks positive interaction, ‘-‘marks negative interaction and ‘0’ marks neutral interaction. The common interactions are: Mutualism (+, +) Competition (-, …

Angle between two sides of polygon