Biology Flashcards
Name 3 viral diseases you need to know
- Measles
- HIV
- Tobacco Mosaic Virus (TMV) in plants.
Name 2 bacterial diseases you need to know
- Salmonella (food poisoning)
- Gonorrhoea (STI)
Name the Fungal disease you need to know
Rose black spot (in plants)
Name the protist disease you need to know.
Malaria
What does HIV stand for?
Human Immunodeficiency Virus
What type of disease is Gonorrhoea?
Sexually Transmitted Disease
What type of disease is rose black spot?
Fungal (communicable) disease
What is blood made of.
Plasma & blood cells
What is plasma?
The blood fluid that surrounds blood cells and carries them along as they flow through blood vessels.
How many litres of blood are there in the circulatory system of an average adult?
5.5 litres
What 3 types of blood cell does plasma carry?
- Red blood cell
- White blood cell
- Platelet
What is health?
A person’s state of physical & mental wellbeing, not just the absence of a disease.
Name the two types of disease.
- Communicable
- Non-Communicable
What are communicable diseases caused by?
Pathogens
List 3 factors affecting health.
- Diet
- Stress (me)
- Life situations (also me)
What is correlation?
An apparent link between two factors.
What is a casual mechanism?
It explains how one factor affects another.
What are the 3 main types of blood vessel?
- Arteries
- Veins
- Capilaries
Arteries carry blood ____ form the heart under ____ pressure
away, high
Veins carry blood __ the heart under ___ pressure
to, low
Capillaries are tiny blood vessels that _______ the arteries and veins.
connect
The artery has a ___