NCERT Solutions For Class 11 Biology Chapter 18

NCERT Solutions For Class 11 Biology Chapter 18 PDF Free Download

NCERT Solutions for Class 11 Biology Chapter 18 Body Fluids and Circulation presents you with answers to the questions in the textbook together with exemplary questions, worksheets, body fluids and circulation MCQ’S and other important questions.

Practising these solutions help you in getting a good knowledge of the topic Fluids and Circulation. Those students who find difficulties in preparing their body fluids and circulation class 11 ncert notes can refer to these NCERT Solutions Class 11 Biology.

Class 11 Biology NCERT Solutions for Body Fluids and Circulation

Chapter 18- Body Fluids and Circulation is one of the most important topics with high weightage of marks in both board and other competitive exams. Therefore students are required to practice all the important questions along with their diagrams to ace in their upcoming exams. Along with the introduction, students can find other basic terminologies which are explained in detail and these topic includes Functions of the circulatory system, components of blood, functions and different types of blood cells and lots more. The class 11 NCERT solutions for Biology, chapter 18 body fluids, and circulation provided here is comprehensive and easy to understand. The NCERT class 11 biology solutions for class 11 chapter 18 PDF are also available here for download.

Subtopics of Class 11 Biology Chapter 18 Body Fluids and Circulation are:

  1. Respiratory Organs
    1. Human Respiratory System
  2. Mechanism of Breathing
    1. Respiratory Volumes and Capacities
  3. Exchange of Gases
  4. Transport of Gases
    1. Transport of Oxygen
    2. Transport of Carbon dioxide
  5. Regulation of Respiration
  6. Disorders of the Respiratory System.

Body Fluids and Circulation plays a fundamental role in transporting nutrients, hormones and other important molecules from their sites of absorption to different tissues and organs for further process. Blood is the special connective tissue and a major element in the circulatory system of the human body. It is involved in transporting respiratory gases, excreting waste products, digesting food, and transporting various substances from one part to different parts of the human body. The major components of blood are plasma, red blood cells, white blood cells and platelets. Among which, the Red blood cells comprises about 40%-45% of the total blood volume, the white blood cell is about 1% of the total blood volume. Plasma is the yellowish liquid portion of the blood, mostly made up of water and it also contains proteins, sugars, hormones and salts.

Class 11 Biology NCERT Solutions Body Fluids and Circulation Important Questions


Q3: Match column I with column II:


Q5: What is the difference between lymph and blood?

(b) Open and closed systems of circulation

(c) Systole and diastole

(d) P-wave and T-wave

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