Skip to main content

Immunity of Human Being

Mean:
         Immune              resistance
         Ity                       Condition/occurrence
Definition:
                 "The ability of a body which resist against the disease or pathogen is known as immunity"
Immunology:
                       It is the branch of biology in which we can study about immunity.

Note: from disease, we can protect over self by 3 line defense. These lines of defense are given below;

1-First line Defense:
Definition:
                 "There is not any specific and inclouded structure, chemicals and processes that work to prevent pathogens from entering the body".
Components of 1st line defense:
                                                   There are the main three-component which are included in 1st line defense
1-Skin
2-defense against respiratory tract
3-defense against digestive tract
Diagram:

the second diagram is used for digestive and respiratory system
Image result for 1st line of defence
2-second line of defense:
definition:
               "It is also called non-specific defense".
Components of  2nd line defense:
                                                        the main component of 2nd line defense is the following
1- Macrophages and Neutrophils
2- Natural killer Cell
3-Complement System
4-Interferon
5-Inflammatory Response
6-Pyrexia and Pyrogens
Diagram:

Comments

Post a Comment

Popular posts from this blog

Pakistan Suspend Batsman Under Anti-Corruption Code :Umar Akmal

The PCB has not revealed any details of any offence or charge against Umar Akmal. However, the suspension means he will miss the Pakistan Super League. And a franchise Twenty20 tournament which begins in Karachi on Thursday. His place in the Quetta Gladiators squad. Umar Akmal the youngest of three brothers to play for Pakistan at full international level.Made his debut as a teenager in 2009.  And has played in 16 Tests, 121 one-day internationals and 84 T20 internationals. He has been in and out of the side in recent years.   But was recalled in 2019 after a two-year absence.  And last featured in two T20 games against Sri Lanka in October. When he was lbw for a first-ball duck on   both matches.     
Post a Comment
Read more

How Viruses Connect To Human Cells

To see the virus-cell,s that they are connected to the human body. They have a special receptor to connected the virus to a human. When they are connected to the human cell have also the special receptor. If we see the cell of the virus they have a special type of long rod-like shape structure. That is used by the cell and connect to the other cell or human. For us, we have known that it injects the RNA of the virus into the human cell and replicated inside the cell. And after the along time or replication, it takes out of the cell and different its shape, which is very hard to detect and killed it. Because it won't have the proper shape.   coronavirus fact:                            In the case of coronavirus, it is specially designed as it is propagated from one place to another place. The genetic changes from those cells or virus which effectively the animal and know it affects human beings. If that te...
Post a Comment
Read more

Green Tea

  History:              The first time the green tea is made in china. That tea is made accidentally when the chines king is going in woodes and for him servent,s is boil water for him. From the upper side, green leave is down in the water. When the chines king tastes the water he really likes it. And after that time the green tea starts.  Made Of:                Green tea is a type of tea that is made from Camellia sinensis leaves and buds that have not undergone the same withering and oxidation process used to make oolong teas and black teas. Green tea originated in China.   Not Understand:                         Its the first time no one knows it,s and  advantages  and disadvantages. But after the scientific study, they have to know it that what are their advantages and disadvantages. But we can just discuss how t...
Post a Comment
Read more