Fever can support the immune system's attempt to gain advantage over infectious agents, such as viruses and bacteria, and it makes the body less favorable as a host for replicating viruses and bacteria, which are temperature sensitive. Infectious agents are not the only causes of fever, however.
Your sister's grandson is your great nephew. You are his great aunt (if you are a woman) or his great uncle (if you are a man).
Tom is Mary's ______. mother sister son grandson husband 15 John is Bob's uncle. Bob is John's ______. nephew sister son uncle husband 16 My son has got two children called Mary and John. They are my ______. cousin daughter father grandchildren children 17 John and I have the same parents. He is my ______. My daughter's daughter is called Helen. She is my ______. cousin daughter father grandchildren granddaughter 2 My mother's father is called Bob. He is my ______. grandfather daughter father grandchildren granddaughter 3 Jane is my mother's sister. She is my ______.