BIOLOGY
12th Edition
ISBN: 9781260169614
Author: Raven
Publisher: RENT MCG
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Chapter 48, Problem 6U
Summary Introduction
Introduction:
Blood is a red colored body fluid that circulates within the blood vessels inside the body of humans and other animals. Blood is composed of plasma, platelets, erythrocytes (red blood cells), and lymphocytes (white blood cells). Blood is a part of cardiovascular system and supplies nutrients and oxygen to all the body tissues.
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How will the red blood cells look like under a microscope when blood is mixed with a solution that contains 300 grams of sodium chloride in 100 milliliters of water?
a. No change in the appearance of blood cells
b. Engorged erythrocytes
c. Irregularly shaped erythrocytes with ragged edges
d. Swollen erythrocytes
Which statement is true?
a. Veins have more muscle and elastic fibers than arteries
b. Arteries have more muscle and elastic fibers than veins
c. Veins carry blood away from the heart
d. Arteries carry blood to the heart
Answer each question with a type of blood vessel: [1] artery; [2] vein; [3] capillary. (a) Which type of blood vessel carries blood from the tissues to the heart? (b) Which type carries blood that is rich in oxygen? (c) Which type contains a thin cell wall that allows the passage of water and small molecules?
Chapter 48 Solutions
BIOLOGY
Ch. 48.1 - Prob. 1LOCh. 48.1 - Prob. 2LOCh. 48.2 - Prob. 1LOCh. 48.2 - Prob. 2LOCh. 48.2 - Prob. 3LOCh. 48.3 - Prob. 1LOCh. 48.3 - Prob. 2LOCh. 48.4 - Prob. 1LOCh. 48.4 - Prob. 2LOCh. 48.5 - Prob. 1LO
Ch. 48.5 - Prob. 2LOCh. 48.5 - Prob. 3LOCh. 48.5 - Prob. 4LOCh. 48 - Prob. 1DACh. 48 - Prob. 1IQCh. 48 - Prob. 2IQCh. 48 - An ECG measures a. changes in electrical potential...Ch. 48 - Systole is vitally important to heart function and...Ch. 48 - Which of the following is the correct sequence of...Ch. 48 - Which of the following statements is not true? a....Ch. 48 - Prob. 5UCh. 48 - Prob. 6UCh. 48 - When a sphygmomanometer is used, a. blood pulses...Ch. 48 - Prob. 8UCh. 48 - In vertebrate hearts, atria contract from the top,...Ch. 48 - Prob. 2ACh. 48 - The difference between the amphibian and mammal...Ch. 48 - Prob. 4ACh. 48 - Humans have a number of mechanisms that help to...Ch. 48 - Prob. 2SCh. 48 - Is the evolution of the four-chambered heart...Ch. 48 - Prob. 4S
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- When it comes to arteries and veins, do veins have? a) a tunica media that is missing in arteries b) thicker walls than arteries c) more smooth muscles than arteries d) valves, this is lacking in arteriesarrow_forwardWhich statement accurately explains why arterial walls are thicker than the walls of veins? A. Arteries need to withstand more hydrostatic pressure than do the veins. B. More blood flows through the arteries than through the veins. C. Arterial blood has more red blood cells than veins do. D. The higher oxygen content of arterial blood requires thicker walls. E. All of the above answer choices correctly answer the question.arrow_forwardWhy do arteries have thick walls of muscle and elastic fibers? a. to give more area for cholesterol to deposit b. strength and ability to expand and contract during heartbeats c. to allow blood to flow in both directionsarrow_forward
- Which statement best describes Arteries? A) They have thin walls and transport blood away from the heart B) They have thick walls and transport blood toward the heart C) They have thin walls and transport blood toward the heart D) They have thick walls and transport blood away from the heartarrow_forwardGiven: One night your body goes crazy and the amount of albumin in your blood doubles. a. What will this do to your blood pressure, and why? b. What are actions your body could take to reverse this change in blood pressure, and where would this take place? (Answer a and b)arrow_forwardHow do arteries differ from veins?a. Arteries have thicker wall layers to accommodate the changes in pressure from the heart.b. Arteries carry blood.c. Arteries have thinner wall layers and valves and move blood by the action of skeletal muscle.d. Arteries are thin walled and are used for gas exchange.arrow_forward
- Which of the following statements is correct? a. Arteries carry blood away from the heart and veins carry blood to the heart. b. Arteries carry blood to the heart and veins carry blood away from the heart. C. All arteries carry oxygen-rich blood and veins carry oxygen-poor blood. d. Arteries carry oxygen-poor blood and veins carry oxygen-rich blood.arrow_forwardWrite a paragraph that describes what happens to a red blood cell as it moves from the right atria of the heart through the body. What structures will it pass through? How will it interact with oxygen? Pls include the word hemoglobin in your response.arrow_forwardWhat blood vessel sends deoxygenated blood away from the heart and to the lungs? a-Aorta b-Pulmonary artery c-Pulmonary vein d-Capillariesarrow_forward
- Which is NOT a component of blood? A. plates B. red blood cells C. plasma D. platelets E. white blood cellsarrow_forwardThe red blood cells are generated by? A. Spongy bone B. Red bone marrow C. Spleen D. Liverarrow_forwardWhich of the following statements is false?a. Only arteries carry oxygenated blood.b. Both arteries and veins have a layer of smooth muscle.c. Capillary beds lie between arteries and veins.d. Sphincters regulate the flow of blood through capillaries.arrow_forward
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