UPPER RESPIRATORY DISORDERS Croup: Acute respiratory syndrome in children and infants, characterized by obstruction of the larynx and by barking cough. Diptheria: Acute infection of the throat and upper respiratory tract caused by the bacteria Cornyebacterium. Epistaxis: A condition when bleeding occurs through nose. Pertussis: Bacterial infection of the pharynx, …

HUMAN EYE (FOR NEET, SSC, UPSC) Human beings possess a pair of eye. These are the organ of sight. They act as an important sensory organ. DESCRIPTION OF HUMAN EYE Light rays enter the dark center of the eye, the pupil. The conjunctiva is a mucous membrane that lines the …

HUMAN EAR (Helpful in SSC,APPSC,NEET and UPSC) The human ear is an organ of hearing and equilibrium that detect and analyses noise by transduction and maintains balance in our body. A mechanical injury that might stimulate receptor cells in the ear would produce sensations of sound, ringing in the ears. …

CENTRAL NERVOUS SYSTEM Human central nervous system consists of 2 parts: BRAIN The brain is the primary center for regulating and co-coordinating body activities. The largest part of the brain is the cerebrum. The cerebral hemispheres are the paired halves of the cerebrum. Each hemisphere is divided into four major …

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