Defintions

Question 1

What are hormones?

Answer 1

Chemical messangers that regualte processes in the body, such as growth, metabolism and mood.

Question 2

What are target cells?

Answer 2

Cells that have specific receptors for a hormone. The hormone binds to the receptor, initiating a repsonse in the target cell.

Question 3

What is a micro organism?

Answer 3

A tiny living thing that is too small to see without a microscope- bacteria, viruses, fungi, parasites. Micro organisms can be helpful or harmless.

Question 4

What is a pathogen?

Answer 4

A germ, like a virus or bacteria, that can cause disease or infection in the body. Pathogens specifically cause disease and infection, like covid-19 or the flu.

Question 5

Factors that need to be regulated in the body?

Answer 5

• Water levels (maintained through ADH, and filtration in the kidneys)
• Body temperature (regulated by hypothalamus, to ensure homeostasis)
• Sugar levels (regulated by insulin)

Question 6

All pathogens are micro-organisms, but not all micro-organsisms and pathogens.

Answer 6

All pathogens are micro-organisms, but not all micro-organsisms and pathogens.