Human biology 1a
Part of GCSE triple science biology
Human biology 1a
Teacher recommended
?- Created by: Roisin99
- Created on: 04-01-14 14:16
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- Human biology
- Diet and metabolic rate
- Human biology
- Diet
- Provide energy body needs but no more
- Balanced diet
- Provide energy body needs but no more
- Carbs-energy
- Fat-Keep warm and energy
- Protein-Growth,cell repair and replacement
- Fat-Keep warm and energy
- Carbs-energy
- Fat-Keep warm and energy
- Protein-Growth,cell repair and replacement
- Fat-Keep warm and energy
- Fibre-Keep your digestion system moving
- Metabolic rate
- Diet and metabolic rate
- Diet
- Diet
- Diet and metabolic rate
- The speed at which they occur is your metabolic rate
- More energy = higher metabolic rate
- The speed at which they occur is your metabolic rate
- Factors affecting health
- Unbalanced diet
- Poor diets lead to malnutrition
- Unbalanced diet
- Malnutrition leads to you being fat or thin
- Too much saturated fat can increase blood cholesterol level
- Malnutrition leads to you being fat or thin
- Too much salt can cause high blood pressure and heart problems
- Too much saturated fat can increase blood cholesterol level
- Too much saturated fat can increase blood cholesterol level
- They can also affect their blood cholesterol level
- Inherited factors can affect your metabolic rate
- Inherited factors
- Inherited factors can affect your metabolic rate
- Factors affecting health
- Fighting disease
- Bacteria
- Fighting disease
- Fighting disease
- They damage cells and produce toxins
- Viruses
- They are not cells
- They hijack your cell and copy themselfs
- They are not cells
- Defense system
- The skin, hair and mucus in the respiratory tract
- Platelets help blood clot to seal the wound quickly
- White blood cells have three lines of attack
- Consume them
- Produce antibodies
- White blood cells have three lines of attack
- Bacteria can mutate
- Resistant bacteria
- Resistant bacteria
- This bacteria can reproduce and pass on this strain
- Synapses and reflexes
- Synapses
- Synapses and reflexes
- The connections between 2 neurons
- The nerve signals transferred by 2 chemicals which diffuses across the gap
- Set off electrical signal to next neurone
- The nerve signals transferred by 2 chemicals which diffuses across the gap
- Synapses and reflexes
- Reflexes
- Reflexes are automatic responses to certain stimuli
- The passage of information in a reflex called a reflex arc
- Reflexes are automatic responses to certain stimuli
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