HUMAN ANATOMY-ALC W/ACCESS
9th Edition
ISBN: 9780134888729
Author: Martini
Publisher: PEARSON
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Chapter 20, Problem 2RC
Summary Introduction
Introduction:
Red blood cells (RBCs) or erythrocytes are biconcave shaped cells, which contain hemoglobin for oxygen transport from lungs to different tissues. These cells lack a nucleus, mitochondria, ribosomes, and other organelles. RBCs are produced in red bone marrow and each RBC has a life span of 120 days.
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Chapter 20 Solutions
HUMAN ANATOMY-ALC W/ACCESS
Ch. 20 - The five figures to the right are labeled a...Ch. 20 - Prob. 2RFTCh. 20 - Prob. 3RFTCh. 20 - The most abundant proteins in blood are (a)...Ch. 20 - 5. The major classes of white blood cells...Ch. 20 - Prob. 6RFTCh. 20 - Prob. 7RFTCh. 20 - Prob. 8RFTCh. 20 - Prob. 9RFTCh. 20 - Prob. 10RFT
Ch. 20 - 11. Platelets are
(a) large cells that lack a...Ch. 20 - Prob. 1RCCh. 20 - Prob. 2RCCh. 20 - Prob. 3RCCh. 20 - Prob. 4RCCh. 20 - Prob. 5RCCh. 20 - What is the fate of megakaryocytes?Ch. 20 - Prob. 7RCCh. 20 - Prob. 8RCCh. 20 - Prob. 1CTCh. 20 - 2. Mononucleosis is a disease that can cause an...
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- Why is oxygen efficiently transferred from hemoglobin in theblood to myoglobin in the muscles?arrow_forwardIn a resting person, how many O2 molecules are attached to each hemoglobin molecule, on average, in blood in the pulmonary arteries? In blood in the pulmonary veins?arrow_forwardWhat does an erythrocyte gain by the loss of its nucleus and organelles? What three cellular processes can it no longer engage in due to the loss of its (a) nucleus and (b) mitochondria?arrow_forward
- Describe how cardiovascular and respiratory system work together, how important are these two systems in the process of cellular respiration?arrow_forwardThe muscles of deep diving mammals such as whales contain exceptionally large amounts ofmyoglobin. How does this circumstance contribute to prolonged dives?arrow_forwardWhat is the difference between cellular respiration and breathing?arrow_forward
- Match the circuit to its job in the human circulatory system (match A & B to a number below) A.pulmonary B.systemic ------------------------------------------- 1. bring oxygenated blood to the body and de-oxygenated blood back to the heart 2. bring de-oxygenated blood to the lungs and oxygenated blood back to the heart. 3. bring de-oxygenated blood to the body and oxygenated blood back to the heart. 4.bring oxygenated blood to the lungs and de-oxygenated blood back to the heartarrow_forwardWhy do these aggregates not form when hemoglobin S is oxygenated?arrow_forwardWatch this video (http://openstaxcollege.org/l/oxyblood) to see the transport of oxygen from the lungs tothe tissues. Why is oxygenated blood bright red, whereasdeoxygenated blood tends to be more of a purple color?arrow_forward
- Respiratory System Examine an H&E slide of a transverse section of the trachea or main bronchus, and respond to the following. 1.a) Still at a high power, how many nuclear (cell) layers can you observe? 1. b) Why is the epithelium called pseudostratified? 2.a) Look for goblet cells; what three functions do mucus produced by these cells serve?i.ii.iii. 2.b) Besides globlet cells, what other four types of cells are present in the epithelium?I.ii.iii.iv. 3. The epithelium is supported by a lamina priopria of loose connective tissue. Which two connective tissue fibres occur in this sub-layer?i.ii.arrow_forwardRespiratory System Examine an H&E slide of a transverse section of the trachea provided by the diagram: 1.a) Still at a high power, how many nuclear (cell) layers can you observe? 1. b) Why is the epithelium called pseudostratified? 2.a) Look for goblet cells; what three functions do mucus produced by these cells serve?i.ii.iii. 2.b) Besides globlet cells, what other four types of cells are present in the epithelium?I.ii.iii.iv. 3. The epithelium is supported by a lamina priopria of loose connective tissue. Which two connective tissue fibres occur in this sub-layer?i.ii.arrow_forwardDiagram the methemoglobin reductase pathway and explain its importance in maintaining functional hemoglobin.arrow_forward
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