Hormones and Reflexes

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What are the stages of the Reflex Arc?
First a stimuli is detected by a receptor, this sends an electrical impulse via the sensory neurone to the relay neurone. A response is formulated which is sent as an impulse via the motor neurone to an effector such as a muscle.
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What does Follicle Stimulating Hormone FSH do?
FSH is a hormone produced in the pituitary gland which causes the development of an ovum (egg).
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What does Oestrogen do?
Oestrogen is a hormone produced in the ovaries which stops the production of FSH and lines the uterus wall.
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What does Lutenising Hormone LH do?
LH causes ovulation (the release of an egg). This is also produced in the pituitary gland.
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Describe the properties of a hormone.
A hormone is a chemical messenger which travels via the blood stream and causes long lasting effects that are more generalised in the body.
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What is an involuntary response?
An involuntary stimuli response is something that occurs automatically without the brain needing to formulate a response. For example blinking is an involuntary response.
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Card 2

Front

What does Follicle Stimulating Hormone FSH do?

Back

FSH is a hormone produced in the pituitary gland which causes the development of an ovum (egg).

Card 3

Front

What does Oestrogen do?

Back

Preview of the front of card 3

Card 4

Front

What does Lutenising Hormone LH do?

Back

Preview of the front of card 4

Card 5

Front

Describe the properties of a hormone.

Back

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