Hormones in plants and in humans

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Insulin ❌ blood sugar levels by converting ❌ into ❌ in the ❌

reduces

increases

glucose

glycogen

liver

pancreas

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When blood sugar levels decrease ❌ is secreated from the ❌ which breaks down ❌ in the ❌ to ❌

glucagon

glycogen

pancreas

liver

glucose

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The nervous system uses ❌ to enable you to react to your surroundings and ❌ what you do.
Cells called ❌ detect changes in the environment known as stimui.
Impulses from receptors pass along ❌ neurones to the brain. Impulses are sent from the ❌ to the ❌ along ❌ neurones.

electrical impulses

hormonal impulses

control

receptors

effectors

sensory

relay

brain

effector organs

motor

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Nerve impulses pass across a synapse gap by the of

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A tropism is a plant's response to light

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Positive tropism is when the plant moves ❌ ❌

towards

away from

a stimulus

light

gravity

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Positive phototropism is...

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If plant roots are growing downwards this is a sign of...

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What are the chemicals that cause changes in plants

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What do auxins do?

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Carbohydrates in our food are broken down to , which is absorbed into the . As the concentration of glucose in the blood rises, the senses a change and releases a hormone called . This hormone travels to the liver in the blood. The starts removing from the blood and turning it into . This is stored in the , when blood glucose levels get very low, the senses the change and produces another hormone called . This hormone also travels to the liver, where is turned back into and released back into the blood. (This is an example of )

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What can gibberellins do?

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How do auxins help a plant bend towards the light

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Type II diabetes is caused by eating too much

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Type II diabetes is caused by eating too much..

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Type I diabetes is caused by being born with ......

Hormones quiz on IGCSE level. includes some questions on the nervous system