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Biology
OpenStudy (anonymous):

1. Trace a molecule of oxygen from the environment to a muscle cell in a vertebrate of your choice (mammal, bird/reptile, amphibian, fish) 2. Identify and describe several vertebrate adaptations which increase internal surface area of each of these processes: circulation, respiration, and excretion. THANKS FOR THE HELP! 1. Trace a molecule of oxygen from the environment to a muscle cell in a vertebrate of your choice (mammal, bird/reptile, amphibian, fish) 2. Identify and describe several vertebrate adaptations which increase internal surface area of each of these processes: circulation, respiration, and excretion. THANKS FOR THE HELP! @Biology

OpenStudy (anonymous):

help :3

OpenStudy (anonymous):

1: (Human) Environment --> Airways (Nose/mouth, oropharynx, trachea, bronchii, bronchioles, alveolar ducts, alveolar sacs) --> Blood (respiratory capillaries, v. pulmonalis, left ventricle, aorta, artery, arteriole, capillary) --> interstitial space --> muscle cell 2: Capillaries, alveoles, 3?

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