Taylor Gibney
V00700314
Section: A02
INTRODUCTION
In order to get finished the day, a sufficient declension supply must be seizureed to our cells. pipeline flow is important for the survival of cells because it contains elements that transport indispensable gases, defend against pathogens, prevent declination loss, and transport nutrients and waste products. Blood is divided into two components the liquid portion, called plasma, and the cellular components, which argon erythrocytes (red blood cells), leukocytes (white blood cells), and platelets (cell fragments). Erythrocytes atomic number 18 the most abundant of cells and transport atomic number 8 (O2) and carbon dioxide ( carbon dioxide) to and from respiring cells. The amount of erythrocytes determines the type O carrying capacity within in the blood and naturally varies from person to person, but also hobo be affected by diet and altitude (Stanfield and Germann, 2009).
Erythrocytes, or more commonly known as red blood cells, are responsible for the transportation of O2 and carbonic acid gas throughout the blood. Erythrocytes are unique in that they lack nuclei, mitochondria, and organelles necessary for protein synthesis, but also contain a special protein: hemoglobin.
Due to a concavo-concave shape, erythrocytes have a large surface area and are flexible, which is perfect for gas exchange (Stanfield and Germann, 2009).
The high capacity of O2 and CO2 within an erythrocyte is due to the protein hemoglobin, which carries both O2 and CO2 during transport throughout the blood. Hemoglobin contains four polypeptide gyves each envelopment an iron ring structure called a heme group. each(prenominal) iron ring is the site to which a molecule of oxygen puzzles; therefore, a total of four oxygen molecules can bind per hemoglobin molecule. Carbon dioxide reversibly binds to amino acids within the polypeptide chains; however, hemoglobin transports a considerably less amount of CO2 than O2. The normal hemoglobin concentration for healthy males is approximately 16grams...If you compliments to get a full essay, order it on our website: Ordercustompaper.com
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