Work human immunity system Hindi and urdu

 Human immunity system work

Insan bimaar hone ki kai wajahen hoti hain, jo ke biological, environmental, aur lifestyle factors se judi hoti hain. Bimariyan different types ki hoti hain, aur unka impact bhi har insan par mukhtalif hota hai. Yahan kuch major reasons discuss kiye gaye hain jo insan ke bimar hone ki wajah ban sakte hain:

**1. Viruses aur Bacteria:**

Viruses aur bacteria sabse common reasons hain bimariyon ke liye. Yeh microscopic organisms hain jo insan ke body mein enter karke infections cause karte hain. Jaise ke flu, cold, pneumonia, aur tuberculosis. Viruses aur bacteria ke khilaf insan ka immune system fight karta hai, lekin kabhi kabhi yeh immune system se bach kar insan ko bimar kar dete hain.

**2. Immune System Ki Kami:**

Insan ka immune system body ko diseases se bachane mein madad karta