Organisation Flashcards Flashcards

A group of cells with a similar structure and function working together.

A group of different tissues working together to perform a specific function.

A group of organs working together to perform a particular function.

A biological catalyst that speeds chemical reactions in living organisms.

The specific region of an enzyme where the substrate binds and the reaction occurs.

A model describing how the enzyme's active site is specific to the shape of its substrate.

The process where an enzyme's active site changes shape due to high temperature or extreme pH, preventing it from functioning.

An enzyme that breaks down starch into sugars. Produced in the salivary glands, pancreas, and small intestine.

An enzyme that breaks down proteins into amino acids. Produced in the stomach, pancreas, and small intestine.

An enzyme that breaks down lipids into glycerol and fatty acids. Produced in the pancreas and small intestine.

A substance produced by the liver that emulsifies fats and neutralises stomach acid.

The wave-like muscle contractions that move food through the digestive system.

A system where blood passes through the heart twice in one complete circuit of the body.

An organ that pumps blood around the body. It has four chambers: two atria and two ventricles.