B1

What is blood pressure measured in?

Systolic pressure - max/rest
Diastolic pressure - max/rest

Name 4 things that can cause blood pressure to rise

Name 2 things that can cause blood pressure to fall

Name 3 things that high blood pressure can cause

Name 3 things that low blood pressure can cause

What is fitness?

What is health?

How can fitness be measured?

How can specific fitness be measured (5 ways)?

How can smoking increase blood pressure?

What is the risk of getting heart disease increased by?

What can plaque in arteries cause?

What are the three things you need for a balanced diet and what are they made from?

What does a balanced diet vary with?

What are stored in the body?

Where are carbohydrates stored?

Where are fats stored?

What is the way to calculate the amount of protein needed I your diet?

What can not enough protein cause? Where is it most found?

What can EAR be affected by?

Why do some vegetarians not get the protein they require?

How can we work out if someone is over or underweight?

What are the ranges for the different types of weight for BMI?

Why do some people not eat enough food?

What is malaria caused by?

What is the plasmodium carried by?

What is the parasite and the host in malaria?

Name 3 ways in which we can stop the spread of malaria

How can changes in lifestyle and diet decrease your risks of cancer?

-Benign tumours are harmful/harmless
-Malignant tumours are harmful/harmless

How do pathogens harm the body?

What are the two ways in which a white blood cell can destroy a pathogen?

What do the antibodies do?

What is the difference between active and passive immunity?

What is the difference between active and passive immunity?

How does vaccination work?

Why is immunisation worth the risk?

How do antibiotics such as penicillin work? How does this explain why they can kill bacteria and fungi but not a virus?

How are vaccinations tested?

What is a placebo?

What's a blind trial?

What's a double blind trial?

Why do they recommend not to over use antibiotics?

What does the cornea do?

What does the lens do?

What does the retina do?

What does the iris do?

What does the optic nerve do?

What is an advantage and disadvantage of monocular vision? What animal as this?

What is an advantage and disadvantage of binocular vision?
What organism as this?

What do your ciliary muscles, suspensory ligaments and lens do when your focusing on a close object?

What do your ciliary muscles, suspensory ligaments and lens do when your focusing on a distant object?

What is red-green colour blindness caused by?

Why are some people short sighted and how can we correct this?

Why are some people long sighted and how can we correct this?

What are the 3 main parts of central nervous system?

What carries the nerve impulse in a motor neurone?

Name the 7 main parts of a motor neurone

What is the order of the reflex arc?

What is the pathway for a spinal reflex?

How are motor neurones adapted?

An example of a reflex action and advantages

What sort of chemical does an impulse trigger? What happens when this chemical is released?

Which are the most punished class of drug?

What's an example of a class A, class B and class C drug?

What are the 5 different types of drugs and what are examples of these drug types?

How do depressants work?

How do stimulants work?

What causes a 'smokers cough'?

What are the short-term effects of alcohol?

What are the long term effects of alcohol?

What is homeostasis?

What does homeostasis involve?

What do automatic control systems keep the levels of?

What is the negative feedback system?

What is the optimum body and enzyme temperature?

What 2 things can a high temperature cause?

What is the body's natural way of cooling down?

How does sweating work?

What can a very low temperature cause?

What is body temperature monitored by?

What is vasoconstriction?

What is vasodilation?

What hormone controls blood sugar levels?

Why is hormone action slower than nervous reactions?

What is type 1 diabetes?

What is type 2 diabetes?

How does insulin regulate the blood's sugar level?

How does type 1 diabetes vary?

Shoots are positively/negatively phototropic and positively/negatively geotropic

Roots are positively/negatively phototropic and positively/negatively geotropic

Where are auxins made?

Why do shoots grow towards the light?

What are the four things that plant hormones are used?

What are alleles and what are the two types of them?

What is the debate over to do with nature v nurture?

When are dominant and recessive alleles shown?

How many pairs of chromosomes do humans have?

Male chromosomes=?
Female chromosomes=?

Why is there a random chance if a sperm fertilisers an egg that the offspring will male or female?

What are the 3 things that genetic variation is caused by?

What is a monohybrid cross?

What is homozygous and heterozygous?

What's the difference between genotype and phenotype?

What are inherited disorders caused by?

What are the personal and ethical issues raised?

How can you predict the probability of passing on an inherited disorder?