Solved by a verified expert:Biology 9th1. Trace the flow of blood through the circulatory system, startingand ending with the right atrium.2. List three types of blood cells and describe their principalfunctions3. Describe three important functions of the lymphatic system.4. Distinguish among plasma, interistial fluid and lymph.5. Describe veins, capillaries, and arteries, nothing their similaritiesand differences.6. Explain in detail what causes the vertebrate heart to beat.7. Describe countercurrent exchange. What are the benefits pf thisprocess? How does it work in fish gills?8. Trace the route taken by air in the vertebrate respiratory system,listing the structures through which it flows and the point at whichgas exchange occurs.9. Explain some characteristics of animals in moist environment thatmay supplement respiratory system or make them unnecessary.10.How are human respiratory movements inhalation? How arethey modified, and why are these controls adaptive.11.What events occur during inhalation? Exhalation? Which ofthese is always an active process? 12.Trace the pathway an 02 molecule in the human body,starting with nose and ending with body cell.13. Describe the effects of smoking on the human respiratory system.
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