| Text | Structure of the LungsCartilage:Forms {{c1::incomplete rings around trachea / bronchi}} ;Keeps {{c1::airways open}} ;Reduces {{c1::resistance to movement of air}} ;{{c1::Protects}} airways ;{{c1::Sound production}} in larynx ;Ribs:Protects the {{c3::lungs}} and {{c3::heart}}.Intercostal muscles:Internal and external intercostal muscles work antagonistically in pairs to expand and contract the rib cage during {{c4::breathing}}.Diaphragm:Creates a change in volume and pressure in the thorax, helping {{c5::ventilate}} the lungsAlveoli:Where {{c6::gas exchange}} occursComprised of tiny air sacs with a capillary network.Oxygen from the air diffuses into the capillaries, whilst waste carbon dioxide diffuses out. Waste gases are then breathed out. |
| Extra | Forms incomplete rings around, trachea / bronchi ;Keeps (named) airways open ;Reduces resistance to movement of air ;Protects (named) airways ;Sound production in larynx ; |
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| Front | Name the Yellow Stars
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| Back | Answer:
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| Text | Dietary needs of humans{{c1::Age}}Children More energy needed for {{c2::growth}} and the extra energy associated with maintaining their body temperature. More {{c2::protein, minerals and vitamins}}.AdultsEnergy needs of adults decreases as they age{{c1::Activity levels}} More active individuals require more energy, as muscles are {{c3::contracting more and respiring faster}}.{{c1::Pregnancy/Breastfeed}}More energy needed for supporting {{c3::growth of developing fetus}}More Protein, calcium, iron, vitamin D or folic acid{{c1::Gender}}Females have {{c4::lower}} energy requirements than males. Females have a lower {{c4::body mass}} than males, which has a lower demand on energy intake, Different physical demands made on boys and girls |
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