IGCSE Biology Coordination and Response 0.0 / 5 ? BiologyCoordination and ResponseIGCSECIE Created by: a.iCreated on: 11-05-15 08:21 Along with what other substances are hormones an example of chemical coordination? Plant growth substances 1 of 13 Define Hormones Hormones are chemical substances produced by a gland and carried by the blood, which alter the activity of one or more target organs 2 of 13 Where are animal hormones produced? In specialized organs called endocrine (ductless) glands 3 of 13 How do endocrine glands secrete their products directly into the blood 4 of 13 An example of digestive glands Salivary glands 5 of 13 How do salivary glands secrete their products? Via a tube/duct 6 of 13 What organ is an example of both ways? Pancreas 7 of 13 Provide detail into how the pancreas has both ways It has both exocrine digestive enzymes which secrete their products via a duct and endocrine hormones which are secreted directly into the bloog 8 of 13 How are hormones distributed all over the body? By blood 9 of 13 Although hormones are distributed all over the body, what areas do they actually have an affect on? special target cells or target organs 10 of 13 How do hormones affect these areas specifically? They speed up or slow down their actions 11 of 13 What it is called when hormones only have affect on a specific organ? Localized effect 12 of 13 Give the name of a hormone which has a wider influence and the place it is produced in the body adrenaline, adrenal medulla 13 of 13
CIE IGCSE Biology (Definitions) - based on 2015 syllabus 5.0 / 5 based on 1 rating Teacher recommended
Comments
No comments have yet been made