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Year 12 Gas Exchange

Across
What happens to the pressure when the volume of the thorax increases
Traps still moist air next to the leaf surface which decreases the water potential gradient between the inside and the outside of leaves
Exchange system in some fish which maintains a diffusion gradient across the entire width of the gill lamellae
Contraction of these muscles between the ribs leads to expiration
Breathing
Tiny pores on the body surface of insects
Plants that are adapted to living in areas where water is in short supply
Minute pores found mostly on the underside of the leaf
Structure in the lungs across which gas exchange occurs
Down
Waterproof barrier of a leaf
Small dead-end tubes across which gas exchange in insects occurs
Substance produced by anaerobic respiration which lowers the water potential of muscle cells
Structure which a large collective surface area in fish, across which gas exchange occurs
Contraction of these muscles between the ribs leads to inspiration
Shape of the diaphragm when it contracts
Muscle that separates the thorax from the abdomen
Fibres between the alveoli that allow the alveoli to stretch and recoil
The two divisions of the trachea