2911696
Descrição
FlashCards por Lilian Vieyra, atualizado more than 1 year ago
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Criado por Lilian Vieyra
mais de 9 anos atrás
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| Questão | Responda |
| Respiratory System | Specialized tissues for gas exchange |
| O2 |uptake environment| is required for aerobic cellular respiration | CO2 is the main metabolic waste breath |
| Many organisms carry gas exchange directly | Amphibians can breathe through lungs or skin Fish have gills that have many folds that increase the exchange surface |
| Breathing Structures Features | The exchange takes place by diffusion Respiratory surface must be wet and an extensive surface area Epithelial cells must be thin |
| Nose & nostrils Nasal turbinates Mouth Pharynx Larynx Trachea/windpipe | |
| Bronchia Lungs Bronchioles | |
| Aveoli lung & Exchange of gases | ¬Hematosis in performed in the Alveoli ¬Alveoli's walls very thin and over them there is an almost solid network of interconnected capillaries ¬Alveolar gases are in close proximity to the blood capillaries |
| Red blood cells are deformed to pass through the pulmonary capillaries | Respiratory gases are soluble in lipids --> soluble in cell membranes |
| Red blood cells (elitrocitos) involved in the transport of O2/CO2 in the blood | Hemoglobin is responsible for transporting the O2/CO2 |
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