Fill in the blanks.
1. Any organism capable of producing disease is called …………….. .
2. WHO stands for ………………. .
3. Ability of an organism to resist disease is called ………………. .
4. Malaria is spread by the female …………………mosquito.
5. Hepatitis B is transmitted through blood ………………. .
The ability of an organism to protect itself from disease-causing germs is called __________.