WebGCSE Edexcel Coordination and control - The nervous system The nervous system enables humans to react to their surroundings and to coordinate their behaviour. It comprises billions of neurones,... WebJul 22, 2024 · The 10 Easiest GCSE Subjects – Ranked for 2024. Int GCSE by Think Student Publisher July 22, 2024 42 Comments. Choosing your GCSEs will often be which first time is you’re able to pick the subjects you want to featured for yourself. Due to not having done this before, it can be difficult in know what that consistent can. Individual pattern ...
The Nervous System - GCSE Biology (9-1) - YouTube
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The brain - Coordination and control - BBC Bitesize
WebFeb 20, 2024 · Neurons are the information processing units of the brain responsible for sending, receiving, and transmitting electrochemical signals throughout the body. Neurons, also known as nerve cells, are essentially the cells that make up the brain and the nervous system. Neurons do not touch each other, but where one neuron comes close to another ... WebNicotine is the addictive substance in tobacco. It quickly reaches the brain and creates a dependency so that smokers become addicted. Effects on the air passages. Sticky mucus in the lungs traps pathogens.The mucus is normally swept out of the lungs by the cilia on the epithelial cells lining the trachea, bronchi and bronchioles.However, cigarette smoke … WebAnti-diuretic hormone (ADH) The water content of the blood is controlled by a hormone called anti-diuretic hormone (ADH). Different amounts of ADH are released into the bloodstream by a gland in the brain according to the concentration of the blood plasma.. The concentration of the blood can be altered by: p3mp test