OBJECTIVE LIFE SCIENCE
DIVERSITY AMONG LIFE FORMS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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a tube within an organism that is part of the vascular system of the organism
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tissue
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xylem
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vein
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vascular system
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Explanation:
Detailed explanation-1: -The vascular system, also called the circulatory system, is made up of the vessels that carry blood and lymph through the body. The arteries and veins carry blood throughout the body, delivering oxygen and nutrients to the body tissues and taking away tissue waste matter.
Detailed explanation-2: -Arteries carry blood away from the heart and veins carry blood back to the heart.
Detailed explanation-3: -Open circulatory systems evolved in crustaceans, insects, mollusks and other invertebrates. Here, a heart pumps the blood fluid into a hemocoel. They are called open circulatory system because blood is not contained in the closed circuit of vessels.
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