Lipids

Proteins

Carbohydrates

Vitamin A

Vitamin c

Vitamin D

Calcium

Iron

Rickets

Scurvy

Water

Fibre

How food moves through the gut

Bile

Egestion and excretion

Absorption and assimilation

Blood

nitrates

phosphates

potassium

Magnesium

need for transport systems

transport system in plants

xylem

phloem

translocation

Root hair cells

waxy cuticle

why do plants have a transpiration stream

why is there transpiration

factors which affect the rate of transpiration

Humidity

Estimating transpiration rate

investigating how humidity affects transpiration

photosynthesis and respiration

Respiration

Factors affecting rate of diffusion

How leaves are adapted for gas exchange- different to how leaves are adapted to photosynthesis

stomata

guard cells

how alveoli are specialised for gas exchange

Smoking tobacco

how smoking can cause coronary heart disease

Experiments

The need for a control variable

reliability

anomalies

graph know how

Evaluating a conclusion

reducing risks of fire

how to improve accuracy and precision

precision

pesticides

biological control

Fertilisers

Methods of increasing crop yields

biological control

Plasma

Platelets

Red blood cells

Haemoglobin

Function of immune system

Phagocytes

lymphocytes

memory cells

P2- Vaccination

Capillaries

valves in veins

Arteries and veins

Exercise increases heart rate

Hormonal system helps to control heart rate

Types of systems

circulation sytem

ways of remembering structure of circulatory system

Exctretion- refer to notes

CNS

neurones