Class 11 · Body Fluids and Circulation

Blood and Lymph Transport Functions — NEET Biology

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📖 NCERT Source

Vertebrates circulate blood, a fluid connective tissue, in their body, to transport essential substances to the cells and to carry waste substances from there. Another fluid, lymph (tissue fluid) is also used for the transport of certain substances.

NCERT Biology · Class 11 · Chapter 15 · Paragraph 42
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QuestionPractice Question

Consider the following statements regarding transport of materials in organisms: 1. All living cells must be provided with nutrients, oxygen, and other essentials, while wastes must be removed continuously. 2. Sponges and coelenterates circulate water from their surroundings through body cavities for exchange of substances. 3. More complex organisms use special fluids such as blood and lymph for transport. 4. Blood is the most common body fluid used by higher organisms, including humans. 5. Blood is a connective tissue consisting solely of plasma. Choose the correct option:

📖 Solution & NCERT Explanation
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Correct answer: C 1, 2, 3 and 4 are correct

Statements 1–4 are directly stated in NCERT: cells require nutrient and waste transport; simple animals use body cavities for circulation; complex animals use blood and lymph; blood is the most common transport fluid. Statement 5 is incorrect because blood has both plasma (fluid matrix) and formed elements, not plasma alone.

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What does NCERT say about Vertebrates circulate blood fluid?
Vertebrates circulate blood, a fluid connective tissue, in their body, to transport essential substances to the cells and to carry waste substances from there. Another fluid, lymph (tissue fluid) is also used for the transport of certain substances.
Has this concept appeared in NEET?
Practice this NCERT concept with questions on MedicNEET.
Which chapter is this from?
Body Fluids and Circulation, Class 11 NCERT Biology.

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