ADAPTIONS

• ADAPTIONS TO INCREASE SA:V FOR ABSORPTION OF DIGESTED FOOD?

  villi and microvilli
• ADAPTIONS TO INCREASE SA:V FOR GAS EXCHANGE IN HUMAN LUNGS?

  alveoli and bronchioles
• ADAPTIONS TO INCREASE SA:V FOR GAS EXCHANGE IN INSECTS?

  spiracles and tracheoles
• ADAPTIONS TO INCREASE SA:V FOR GAS EXCHANGE IN FISH?

  gill filaments and gill lamellae
• ADAPTIONS TO INCREASE SA:V FOR PLANTS?

  thin, wide leaves
• ADAPTIONS TO INCREASE SA:V FOR BLOOD FLOW?

  many capillaries