nerves and hormones 3.0 / 5 based on 1 rating ? BiologyNervous system, hormones and behaviourGCSEAQA Created by: 12mw7812Created on: 13-07-15 14:59 Eyes Sensitive to light 1 of 17 Ears Sensitive to change in position and sound 2 of 17 Skin Sensitive to pressure, temperature change and pain 3 of 17 Tongue and nose sensitive to chemicals 4 of 17 Light receptor cells have... ...nucleus, cytoplasm and cell membrane 5 of 17 Neurones Information from receptors is passed along Neurones and then to the brain 6 of 17 Reflex action Receptor->sensory Neurone->central nervous system->chemical message across the synapse->relay neurone->motor neurone->effector 7 of 17 Effector A muscle or a gland 8 of 17 Synapse The junction in a nerve where messages are passed in the form of chemicals 9 of 17 Hormones are secreted by... ...glands 10 of 17 Hormones are transported to organs by... ...the bloodstream. 11 of 17 FSH (follicle stimulating hormone) Secreted by the pituitary gland, causes eggs to mature in the ovaries and stimulates the production of oestrogen 12 of 17 LH (lutenising hormone) Stimulates the release of eggs from the ovary 13 of 17 Oestrogen oestrogen is secreted by the ovaries and inhibits the further production of FSH. 14 of 17 Oral contraceptives may contain... ...Oestrogen, to enhibit egg maturation 15 of 17 Birth control pills... ...contains large amounts of oestrogen, resulting in severe side effects 16 of 17 IVF (In vetro fertilisation) Gives a mother LH and FSH to enhibit egg maturation 17 of 17
Comments
No comments have yet been made