BIOL 1030 Lecture Notes - Lecture 12: Body Fluid, Gastrovascular Cavity, Malpighian Tubule System

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BIOL 1030 Full Course Notes
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BIOL 1030 Full Course Notes
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Air comes in and enters many branches (trachea, tracheole) They have a direct air supply to each cell. Air enters the spiracle and expands, contracts and makes a positive pressure and air is pushed out. Oxygen concentration is highest in the air and lower in the lungs. Proteins break down into amino acids and those amino acids can be used for metabolism create atp for work. Nucleic acids break down into nitrogenous bases and can be used for the metabolic pathway. Amino acids and nitrogenous bases are packed with amino groups (-nh2) When amino groups are broken down, they convert into ammonia (nh3) (very toxic) Ammonia is converted to urea (less toxic) Urea is converted into uric acid (not toxic and not soluble) Small or porous: no circulatory system necessary. Cnidarians: circulation of nutrients, gas exchange. 2 body fluids: blood and lymph. Advantages: heart can produce a lot of pressure, higher pressure = more blood flow.

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