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Beschreibung
Mindmap von brianna.lewis, aktualisiert more than 1 year ago
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Erstellt von brianna.lewis
vor mehr als 10 Jahre
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Transport in Humans
- The circulatory system
- needed for transport of:
- nutrients
- wastes
- hormones
- antibodies
- nutrients
- consists of:
- heart (pump)
- blood (with blood pigments to carry oxygen)
- blood vessels (arteries/arterioles, veins/venules, capillaries)
- heart (pump)
- blood vessels and their functions
- arteries- oxygenated blood away from heart, thick outer walls, under high pressure
- veins- de-oxygenated blood towards heart, thin walls, under low pressure
- capillaries- tiny blood vessels, slow blood flow-allows diffusion to take place
- arteries- oxygenated blood away from heart, thick outer walls, under high pressure
- Double circulatory system
- blood flows through the heart twice on a complete journey around the body
- there are two systems: pulmonary (to the heart), systematic (to the rest of the body)
- there are two systems: pulmonary (to the heart), systematic (to the rest of the body)
- blood flows through the heart twice on a complete journey around the body
- Blood
- 45% cells, 55% plasma
- carries oxygen via haemaglobin
- contains white blood cells which help immunity
- transports: blood cells, dissolved nutrients, carbon dioxide, hormones, vitamins and mineral ions
- Red Blood Cells
- disc shaped with conclave centre
- large surface area for absorbing oxygen
- full of haemaglobin used for carrying oxygen (gives blood red pigment
- no nucleus- more room for carrying oxygen
- made in bone marrow
- disc shaped with conclave centre
- white blood cells
- have a nucleus
- do not carry oxygen
- are involved in immune response
- contain phagocytes
- engulf and destroy foreign materials such as bacteria
- engulf and destroy foreign materials such as bacteria
- contain lymphocytes
- proteins called antibodies which attack foreign materials
- proteins called antibodies which attack foreign materials
- have a nucleus
- 45% cells, 55% plasma
- needed for transport of:
- respiration
- the release of energy from food substances in all living things
- uses of energy
- growth
- cell division
- movement
- maintaining body temp.
- maintaining body temp.
- active transport
- aerobic respiration
- aerobic respiration
- growth
- oxygen+sugar - carbon dioxide+water
- aerobic respiration
- sugar+oxygen - carbon dioxide+water+energy
- C6H2O6+6O2 = 6CO2+6H2O+energy
- part of this reaction occurs in the mitochondria
- C6H2O6+6O2 = 6CO2+6H2O+energy
- sugar+oxygen - carbon dioxide+water+energy
- Anaerobic respiration
- the release of energy from food without combining it with oxygen
- in muscles
- suagr - lactic acid+energy
- C6H12O6 = 2C3H6O3+energy
- this reaction occurs in the cytoplasm of cells
- this reaction occurs in the cytoplasm of cells
- suagr - lactic acid+energy
- lactic acid is carried to the liver in the blood.
- oxygen debt is created - meaning that the lactic acid still needs to be broken down again using oxygen, therefor you will continue to breath
- oxygen debt is created - meaning that the lactic acid still needs to be broken down again using oxygen, therefor you will continue to breath
- Yeast
- sometimes called fermentation
- sugar = alcohol+carbon dioxide+energy
- C6H12O6 = 2C2H5OH+2CO2+energy
- C6H12O6 = 2C2H5OH+2CO2+energy
- sometimes called fermentation
- the release of energy from food without combining it with oxygen
- the release of energy from food substances in all living things
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