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A reflex action is the body's rapid, involuntary response to external stimuli, often used in order to protect it from immediate harm. First, a receptor detects a stimulus, such as a heat source which coul...

DNA, deoxyribonucleic acid, is responsible for storing genetic information and is composed of a chain of nucleotides. Each nucleotide is formed by a nitrogen base, a phosphate backbone and a sugar. There ...

Anaerobic respiration involves breaking down glucose into lactic acid in the absence of oxygen.

Mitochondria are the site of aerobic respiration where ATP

The body must maintain an internal temperature of 37 degrees as this is the optimum temperature for body’s enzymes. When the body gets too hot the body responds in multiple ways: • The body releases sweat...