Health & Social Care • Unit 5

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Presentation transcript:

Health & Social Care • Unit 5 Learning outcome 2: Understanding the function of body systems associated with energy metabolism (Relevant criteria: P4, P5, M1, D2) © Owned by or under licence to Harcourt Education Ltd 2007

The body needs energy to function. The process Health & Social Care • Unit 5 Energy in the body The body needs energy to function. The process by which it gets this energy is called the metabolic rate. This rate is affected by: exercise proportion of fat to muscle genes you may have inherited. © Owned by or under licence to Harcourt Education Ltd 2007.

Food (digestive system) Blood (cardiovascular system) Health & Social Care • Unit 5 Powering the body The body is powered by: Food (digestive system) Blood (cardiovascular system) Air (respiratory system). © Owned by or under licence to Harcourt Education Ltd 2007.

The reactions in cells are powered by ATP (adenosine triposphate) Health & Social Care • Unit 5 Reactions in the body The reactions in cells are powered by ATP (adenosine triposphate) Digested food creates glucose. The glucose reacts with oxygen to create ATP. © Owned by or under licence to Harcourt Education Ltd 2007.

Metabolism involves two processes: Health & Social Care • Unit 5 Metabolism Metabolism involves two processes: Anabolism which builds up new cells. Catabolism which breaks down old cells. The energy from catabolism is used to power anabolism. Remember the two processes don’t happen at the same time! © Owned by or under licence to Harcourt Education Ltd 2007.