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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.
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”.
Hemoglobin. Normal values for hemoglobin are 13–18 g/100 ml in adult males, and 12–16 g/100 ml in adult females. Hemoglobin is made up of the red heme pigment bound to the protein globin. Globin consists of four polypeptide chains: two alpha (α) and two beta (β)—each binding a ring-like heme.
The main function is the transportation of oxygen throughout the body and the ability of the blood to carry out carbon dioxide which is called carbamino – hemoglobin . Maintaining the balance of blood is important.
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.
21 cze 2024 · Describe the basic structure of a capillary bed, from the supplying metarteriole to the venule into which it drains. Compare and contrast veins, venules, and venous sinuses on the basis of structure, location, and function. Discuss several factors affecting blood flow in the venous system.
