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Normally, whenever we smell/touch/see/hear/taste anything, that information gets sent to our brain and is processed before the brain decides whether we need to respond to the information. However, in situ...

Geographic isolation occurs so the population is separated and the two groups cannot interbreed. Variation due to mutation arises in the separate populations leading to different alleles becoming dominant...

1.There are 3 different types of neurons, a receptor and effector that are involved in initiating a reflex response. (Draw these out and label each neurone A B C)2.The receptor detects a stimulus (this is...

They are a group of cells responsible for the production and release of hormones that are used in the regulation of glucose in the blood

The oxygen supply to the lungs can be increased during vigorous activity by inhaling more deeply and more rapidly. This will cause a larger volume of air to be taken in per breath, which exposes the capil...