Human Biology, 14 Edition

Published by McGraw-Hill Education
ISBN 10: 1-25924-574-8
ISBN 13: 978-1-25924-574-9

Chapter 6 - Section 6.6 - Homeostasis - Check Your Progress - Page 128: 2

Answer

Digestive System: Blood vessels carry nutrients from the digestive tract to cells throughout the body. The digestive tract also provides the molecules needed for the formation of plasma proteins and blood cells. Lastly, the digestive tract absorbs water needed to maintain blood pressure and Ca2+ needed for blood clotting. Urinary System: Blood vessels transport waste to excretory organs such as the kidneys. Kidneys excrete wastes and regulate the body’s water-salt balance to maintain blood volume and blood pressure, and to regulate the acid-base balance of the blood. Muscular System: Muscle contractions keep blood flowing through the heart and blood vessels. Nervous system: The nervous system assists in regulating the contraction of the heart and blood vessels. Endocrine System: Blood vessels carry hormones from glands to organs throughout the body. Some organs aid in the regulation of blood volume and blood cell formation. Respiratory System: Blood vessels carry gasses to and from the lungs. This gas exchange brings oxygen into tissues of the body and rids the body of carbon dioxide which helps regulate the acid-base balance of blood. Lymphatic System: Lymph originates as an interstitial fluid in the capillaries of the body. Additionally, the lymphatic system gathers excess interstitial fluid and returns it through the lymphatic vessels to the cardiovascular veins which plays a critical role in regulating blood volume. Skeletal System: The heart is protected by the rib cage. Additionally, blood cells are produced from red bone marrow. Lastly, bones store Ca2+ which is necessary for blood clotting.

Work Step by Step

Digestive System: Blood vessels carry nutrients from the digestive tract to cells throughout the body. The digestive tract also provides the molecules needed for the formation of plasma proteins and blood cells. Lastly, the digestive tract absorbs water needed to maintain blood pressure and Ca2+ needed for blood clotting. Urinary System: Blood vessels transport waste to excretory organs such as the kidneys. Kidneys excrete wastes and regulate the body’s water-salt balance to maintain blood volume and blood pressure, and to regulate the acid-base balance of the blood. Muscular System: Muscle contractions keep blood flowing through the heart and blood vessels. Nervous system: The nervous system assists in regulating the contraction of the heart and blood vessels. Endocrine System: Blood vessels carry hormones from glands to organs throughout the body. Some organs aid in the regulation of blood volume and blood cell formation. Respiratory System: Blood vessels carry gasses to and from the lungs. This gas exchange brings oxygen into tissues of the body and rids the body of carbon dioxide which helps regulate the acid-base balance of blood. Lymphatic System: Lymph originates as interstitial fluid in the capillaries of the body. Additionally, the lymphatic system gathers excess interstitial fluid and returns it through the lymphatic vessels to the cardiovascular veins which plays a critical role in regulating blood volume. Skeletal System: The heart is protected by the rib cage. Additionally, blood cells are produced from red bone marrow. Lastly, bones store Ca2+ which is necessary for blood clotting.
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