Answer:
Immune system is responsible to fight against foreign invaders from affecting the body system,immune system acts as a security against any offence microorganisms from have access to the body, thereby prevent illness. It is so important to have functioning immune system for an individual to be healthy, for example HIV destroys the immune system, therefore making it possible for a lot of diseases crept in
4 and 5 are correct,
Hormones are Endocrine
Fingernails are Integumentary
Sperm is Reproductive
Bladder is Excretory
Killing Pathogens is Immune
Answer:
The sceintific law explains the behavior of natural phenomena.
Explanation:
