Chp 5-Parasites

Question 1

What are two types of parasites ?

Answer 1

1) Single-celled microorganisms like Amoebas
2) Multicellular organisms like worms
However in the end of the day they use the healthy host cells to use the nutrients in order for their survival

Question 2

What is rhinovirus ?

Answer 2

Rhinovirus (cold virus) is a type of virus which its residence is the upper respiratory (Nasal sinuses and lungs) that’s why we have a stuffed up nose

Question 3

Symptoms come from —— and ——

Answer 3

The residence taken by the pathogen and the immune system
*In the immune system the body is trying to regain its homeostasis and re-establish balance

Question 4

How does fever occur ?

Answer 4

1) When the immune system recognizes an intruder, the immune system cells release a chemical. This chemical alongside the toxin released by the pathogen go to different parts of body such as brain. Hypothalamus is the place in the brain which is responsible for regaining and re-establishing temperature and balance in body

Question 5

What does the mucus and phlegm in our body contain ?

Answer 5

Antibodies. When we sneeze or when we have stuffed up nose, the mucus and phlegm are substances which trap the pathogens in order for them to get out of a body.

Question 6

What are memory cells ?

Answer 6

In order to fight off pathogens, our body starts to produce more white blood cells and followed by that, more antibodies. In addition this increased production of white blood cells and antibodies are a strategy for the future. In the future when your body recognizes an intruder, with the help of memory cells and the knowledge of the previous problems, will release the antibodies as soon as possible.