B2 - Keeping healthy Flashcards
Causes of heart disease
Genes,
high fat and salt,
overweight,
high cholesterol
what does CHD stand for
Coronary heart disease
What causes CHD
As fatty material increases, coronary arteries can narrow and become blocked
How large is bacteria?
1-5 micrometres
Is bacteria prokaryotic or eukaryotic?
Prokaryotic, no nucleus
Is bacteria harmed by antibiotics?
Yes
What are 3 of some primary defences in animals against disease
Saliva, contains antibacterial enzymes
Gut bacteria, out competes invaders
Skin, physical barrier
What are the three types of defences against pathogens
Physical
Chemical
Micrbial
How do phagocytes get rid of disease in your body?
They recognize the antigen marker that the antibodies latch on to, and consume the virus
What are some physical plant defences?
Leaf cuticle,
Cell wall
What are antibodies
The things produced by B-lymphocytes, which fight diseaseh
What are B-lymphocytes
Things which produce antibodies
What is made when a B-Lymphocyte combines with a tumor cell
Hybridoma cell
What is the role of lipids
Gives us long term energy, as it can be stored in our body
What is the role of fibre
Helps food move through our intestines properly