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Explain how the structure of the blood vessels relates to their respective functions Outline the role and location of valves in the circulation of blood State which blood vessels supply the heart tissue with oxygen and nutrients
What is a major difference between red blood cells and white blood cells? A. Red blood cells contain hemoglobin, but white blood cells do not. B. Red blood cells can move, but white blood cells cannot. C. Red blood cells contain nuclei, but white blood cells do not. D. Red blood cells engulf foreign bacteria, but white blood cells do not.
The primary function of blood is to deliver oxygen and nutrients to, and remove wastes from, the body cells; but that is only the beginning of the story. The specific functions of blood also include defense, and maintenance of homeostasis, such as distributing heat where it is needed.
The coronary arteries deliver blood to the muscle cells in the heart. The coronary arteries can become narrowed or blocked by fatty deposits. Suggest how the narrowing of the coronary artery may affect how the heart . functions and how this may affect other body cells.
Which of the following occurs a patient with metabolic acidosis (i.e. low blood pH)? Hemoglobin has increased affinity for oxygen. The heme group of hemoglobin is in a ferric (Fe 3+) state. p50 of the O2/Hgb dissociation curve is increased.
Blood is important for regulation of the body’s pH, temperature, osmotic pressure, the circulation of nutrients and removal of waste, the distribution of hormones from endocrine glands, and the elimination of excess heat; it also contains components for blood clotting.
1. List the functions of blood in humans. 2. What purpose does haemoglobin serve? 3. What effect do excess amounts of carbon monoxide from cigarettes and car exhausts have on the body? 4. What are the components of blood, and what are their functions? 5. Briefly describe the clotting mechanism of blood. 6. Describe the 3 different types of ...
