Science
Write the
following content in your science note book and submit the same on (22/11/16),Tuesday.
Disease:
Disease is a condition in
which the body does not work properly.
Diseases are of two
types:
a) Non-Communicable
Diseases
b) Communicable Diseases
Non-communicable
Diseases
Diseases that cannot be
passed on from a sick person to a healthy person.
|
Deficiency
Disease
|
Symptoms
|
Caused
due to lack of
|
|
Night
Blindness
|
Person
cannot see clearly in dim light
|
Vitamin A
|
|
Beriberi
|
Weak
nervous system, loss of appetite
|
Vitamin B
|
|
Scurvy
|
Swelling
and bleeding of gums
|
Vitamin C
|
|
Rickets
|
Bow-shaped
legs, weak bones
|
Vitamin D
|
|
Goitre
|
Swelling
in the neck
|
Iodine
|
|
Anaemia
|
Pale
skin, black circles under the eyes
|
Iron
|
Communicable Diseases
Diseases that can spread
from a sick person to a healthy person by contact are called communicable
diseases. Germs are disease causing microorganisms that can only be seen under
a microscope.
Hindi
Learn word-meanings of Lesson – 11 given on page no. 70
of the textbook for a review on 22/11/16, Tuesday.
