fighting disease, immusation and monoclonal antibodies

Question 1

physical barriers in humans

Answer 1

skin
hair
mucus

Question 2

chemical barriers in humans

Answer 2

hydrochloric acid made in the stomach

lysozyme made in the eyes

Question 3

how do b lymphocytes work

Answer 3

they’re a type of white blood cell that are involved in the specific immune response as when they come across an antigen on a pathogen they start to produce proteins called antibodies which bind to the the pathogen to be destroyed

Question 4

what do memory lymphocytes do

Answer 4

they remain in the body for a long time and remember a specific antigen which makes the person immune as the immune system now has the ability to respond quickly. the secondary immune system is faster and stronger and often gets rid of the pathogen before you show symptoms

Question 5

pros to immunisation

Answer 5

big outbreaks of diseases can be prevented due to herd immunity

Question 6

cons to immunisation

Answer 6

it doesn’t always work and sometimes you can get a bad reaction to the vaccine