B5 communicable diseases

Question 1

What is a communicable disease ?

Answer 1

A communicable disease are pathogens which can be passed from human to human.

Question 2

What three things major things cause illness ?

Answer 2

Diet
Stress
Life situation

Question 3

What are 4 four types of pathogen ?

Answer 3

Bacterium
Virus
Fungi
Protist

Question 4

What are the differences between Bacteria and viruses ?

Answer 4

main differences include:

Bacteria are free living cells that can live inside or outside of the body. Whereas Viruses are non living collections of molecules. Viruses are much smaller then bacteria. Bacteria split into two identical daughters cells to multiply whereas viruses infiltrate human cells and wait for them to replicate. Bacteria make you ill by releasing toxins and virus quickly multiple and infiltrate and burst cells.

Question 5

How do bacteria cause disease ?

Answer 5

Bacteria cause disease by rapidly by splitting into two (binary fusion) they produce toxins which make us ill and sometimes directly damage cells.

Question 6

how do viruses cause disease ?

Answer 6

Viruses live take over cells of the body. They live and reproduce inside of cells and make us feel ill by bursting cells.