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This Osmosis High-Yield Note provides an overview of Blood Components and Function essentials. All Osmosis Notes are clearly laid-out and contain striking images, tables, and diagrams to help visual learners understand complex topics quickly and efficiently.
Highlights. Learning Objectives. By the end of this section, you will be able to: Compare and contrast the three tunics that make up the walls of most blood vessels. Distinguish between elastic arteries, muscular arteries, and arterioles on the basis of structure, location, and function.
30 paź 2023 · The blood transports the oxygen from the alveoli to the remotest cells of the body. Because of the higher gas pressure in the plasma (relative to the cells), it diffuses to the tissues. Carbon dioxide diffuses from the cells into the blood due to the higher gas pressure in the tissue.
Answers. Overview of Blood. The primary function of blood is to supply oxygen and nutrients as well as constitutional elements to tissues and to remove waste products. Blood also enables hormones and other substances to be transported between tissues and organs.
Free iron ions (Fe2+, Fe3+) are toxic, so iron is stored inside cells as protein-iron complexes such as ferritin and hemosiderin. In blood, iron is transported loosely bound to a transport protein called transferrin. Developing erythrocytes take up iron as needed to form hemoglobin.
28 lut 2021 · Describe the structure and function of blood in the body. 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.
LEARNING OBJECTIVES. Define “CBC”. Define and explain red cell indices including derived values such as MCV, MCHC and MCH. Define and explain erythrocyte sedimentation rate. Describe the main cell types observed in peripheral blood. Describe what is meant by the term “differential count”.
