Biology Unit 1a

How does a balanced diet work to keep you healthy?

What is metabolic rate and what is the metabolism?

How does people's energy needs vary?

How does the amount of exercise/activity you do affect the amount of energy you need?

How many kilojoules are burned per minute when you sleep, watch TV, Cycle at 5mph, jog at 5mph, climb stairs, swim, row and walk slowly?

How is malnourishment different from starvation?

How can eating too much lead to obesity?

How can obesity lead to other health problems?

How can over eating cause other health problems?

How can eating too little cause problems?

How can your health be affected by not getting enough exercise?

How can inherited factors affect your health?

There are loads of slimming products (e.g. diet pills, slimming milkshakes) and slimming programmes (e.g. the Atkins Diet) around - and they all claim they'll help you lose weight. What should you look for to decide whether or not the claims are true or false?

There are loads of slimming products (e.g. diet pills, slimming milkshakes) and slimming programmes (e.g. the Atkins Diet) around - and they all claim they'll help you lose weight. What really works?

What are the two main types pathogen?

What is your body's defence system?

What are the three ways that white blood cells kill invading microbes?

How do vaccinations work?

What are the Pros of vaccinations?

What are the cons of vaccinations?

How do some drugs just relieve symptoms?

How do some dugs cure the problem?

How can bacteria become resistant to antibiotics?

How can you investigate antibiotics by growing microorganisms in the lab (part 1)?

How can you investigate antibiotics by growing micro-organisms in the lab (part 2)?

How did Semmelweis cut deaths?

How did Semmelweis' method work and why was it not accepted? How has it changed the way people control disease today?

Why is antibiotic resistance becoming more common?

What new and scary dangers do we face with bacteria all the time?

What new and scary danger do we face all the time with viruses?

What is a pandemic?

What is a stimulus?

What are receptor?

How do sense organs detect stimuli?

What receptors do eyes, ears, nose, tongue and skin contain?

What are sensory neurones?

What are relay neurones?

What are motor neurones?

What are the effectors?

How does the central nervous system coordinate a response?

What are synapses?

What are reflexes and how do help prevent injury?

What is a reflex arc?

What happens when a stimulus is detected use a bee stinging your finger as the example?

Make a flow chart/ block diagram to show a reflex arc.

What are hormones?

What are hormones and what do they do?

Where in the body are hormones produced and which hormones do they produce?

How can you tell if a response is nervous or hormonal?

How are hormones and nerves slightly different in their jobs, even though they both do the same job?

Describe each stage of the menstrual cycle.

How do hormones control different stages of the menstrual cycle?

What is progesterone?

How can hormones be used to reduce fertility?

What are the pros and cons of the oestrogen pill?

How can hormones be used to increase fertility?

What are the pros and cons of using hormones to increase fertility?

How can IVF be used to help couples have children?

What are the pros and cons of IVF?

What is auxin?

What causes shoots to grow towards the light?

What causes shoots to grow away from gravity?

What causes roots to grow towards gravity?

What causes roots to grow towards moisture?

How have plant hormones been used in agriculture?

What things in your body need to be kept constant?

How is ion content regulated by the kidneys?

How is water lost from the body?

How does the balance between sweat and urine depend on what you're doing and the weather?

How is body temperature controlled by the brain?

Why do blood sugar levels need to be controlled?

How do drugs change your body chemistry?

What are medicinal drugs?

What are recreational drugs?

What are performance-enhancing drugs?

What are the health impacts of performance-enhancing drugs?

What are the ethical problems with taking performance-enchancing drugs?

What are the claims about drugs called statins?

What are the claims about the drug cannabis?

What is the first main stage of drug testing?

What is the second main stage of drug testing?

What is the third of the three main stages of drug testing?

How is the drug tested to make sure it works in the third main stage of drug testing?

How have thing in drug testing gone wrong in the past?

Why are some recreational drugs illegal and some legal?

What are the various reasons for why people use recreational drugs?

Why do some studies link cannabis and hard drug use and others don't and what are the three main opinions?

How do some legal drugs have more of an impact than illegal drugs?

What are the massive impacts on people and society of smoking?

What are the massive impacts on people and society of alcohol?