biology --- (Module 3 exam) FRIDAY EXAM!!! This is a test on the module 3 exam:) 3.5 / 5 based on 6 ratings ? BiologyGCSEAll boards Created by: smileyfaceCreated on: 19-05-10 13:19 Where are the villi found The small intestine 1 of 9 Active transport goes against the concentration gradient? True 2 of 9 Why is active transport different from diffusion? It requires energy from respiration 3 of 9 What must active transport be aided by protein carrier molecules. 4 of 9 Where are the lungs locataed? Thorax 5 of 9 Where does gas exchange occur? Alveoli 6 of 9 what is the route air takes in the body to get to the alveoli? Trachea -> Bronchus->Bronchiole-> Alveoli 7 of 9 How are the villi adapted? Large surface area 8 of 9 what is diffusion? The movement of substances from a high to a low conc. 9 of 9
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