HEALTH AND MEDICINE

Inflammation

• It is the reaction of the living tissue to injury or is the reactive process to a sub lethal injury to tissue and end with complete healing. It is the protective mechanism to destroy and remove the irritant. It includes

  1.    Redness (increased blood supply);

  2.    Swelling (due to more blood in that part);

  3.    Heat (Increase metabolism);

  4.    Pain (due to increase pressure on the nerve endings),

  5.     Loss of function.

Necrosis

•  The local death of the tissue in a living body is necrosis and the death of the body as a whole is called somatic death. The changes that take place gradually in the cells while they are dying are known as necrobiosis.

Gangrene

• Necrosis of tissues with putrification by saprophytic bacteria is called gangrene.

Rigor Mortis

• The contraction of muscles after death so that the joints become stiff and the body is rigid. Usually Rigor mortis appear in 1 to 8 hours after death and may disappear from 20 to 30 hours. Rigor mortis is helpful in detection of the time of death.

Gout

• The deposition of crystals of uric acid or urates of sodium and calcium in the tissues.

Hyperemia or Congestion

• The condition in which there is increased amount of blood in the blood vessels of the body.

Ischemia

• Local deficiency of arterial blood in an organ.

Hemorrhage

• Escape of blood from an artery, vein or capillary to the outside or into the body cavity or into tissue.

SOME IMPORTANT VACCINES

NATIONAL IMMUNISATION SCHEDULE

IMPORTANT FACTS

Grown-ups’-voices are usually lower in pitch than children’s. The difference is in the length and thickness of the vocal cords.

2.    20 temporary teeth at age 2-3, 32 permanent feeth between 6 to 21. Around age 6, the teeth begin to grow in one by one.

3.    A baby’s heart beats 130 times a minute, a ten-year old’s heart beats about 90 times a minute, a woman’s heart beats about 78 times a minute, and a man’s about 79 times when they are sitting or understanding. An athlete’s heart, during a race, beats as fact as 150 times a minute. There are several places along the course of the arteries where one can feel ones heartbeat but a good one is at the wrist.

4.    Yawning often happens when we are relaxed and bedtime is near. It is a reflex action and usually means we need sleep possibly we yawn to keep awake-to take in more oxygen, increase circulation and stretches our muscles.

5.    People dream about 54 to 6 times a night. Women dream more than men. Children dream more than adults-more people dream in black & white than in colour.

6.    Warm-blooded: Mammals, birds etc. Body temperature doesn’t change with the weather.

7.    Cold-blooded: Reptiles, fish and amphibians, body temperature matches that of the surrounding

8.    Animals appeared on the earth: Amphibians, Reptiles, Birds & Mammals long lasted than the human beings.