Characteristics of organisms

growth

Nutrition

respiration

sensitivity

Movement

reproduction

excretion

Animal

control and coordination

Plant

Balanced diets

click to edit

animals

plants

carbohydrates

proteins

reflex arc

fibres

lipids

vitamins and minerals

amalyse

nurones

pepsin and trypsin

liapase

stimulus

hormones

insulin

glucagon

adrenaline

oestrogen

decreases blood glucose concentration

source of energy

maintain health

click to edit

increases the blood glucose concentration

fight and flight response

growth and repair

sensory

motor

relay

roughage and desgestive movements

Central nervous system

synapse

water

helps in metabolic reactions

synaptic cleft

Vitamin C

vitamin D

Calcium

Iron

production of haemoglobin

neurotransmitters

Stronger bones and teeth

Anaemia

vesicles

receptors

osteoporosis

receptor

sensory neuron

collagen

scurvy

relay neurone

helps in absorption of calcium

motor neurone

effector

response

stronger bones and teeth

rickets

constipation

sensory organs

eyes

ears

nose

tongue

skin

coronary heart disease

involuntary

kwashiorkor

Digestive system

mouth

cornea

oesophagus

stomach

small intestine

large intestine

lens

pupil

retina

fovia

hormone

auxin

phototropism

gravitropism

Homeostasis

teeth

click to edit

click to edit

click to edit

click to edit

click to edit

blind spot

optic nerve

sweating

shivering

vasodilation

vasoconstriction

heat loss by evaporation

respiration

removal of urea

removal of carbon dioxide

urinary system

lungs

kidney

bladder

urethra

retinal vein

urater

cortex

medulla

nephron

glomerulus

loop of henle

bowman's capsule

gas exchange

anearobic

aerobic

click to edit

click to edit

click to edit

click to edit

click to edit