Class 11 · Zoology

Body Fluids and Circulation

15 topics — from Blood: General Description & RBC Part 1 through Regulation of Cardiac Activity. Expect about 1 question in NEET — roughly 4 of 720 marks.

Updated 25 Aug 2026 15 topics Zoology · Class 11
In short

Body Fluids and Circulation is a Class 11 Zoology chapter covering 15 topics. Expect about 1 question in NEET — roughly 4 of 720 marks.

15
Topics
In this chapter
1
Expected question
≈ 4 of 720 marks
11
Class
Zoology
97
Chapters in the syllabus
16 in Zoology

Topics covered #

15 topics, in teaching order.

  1. Blood: General Description & RBC Part 1
  2. Blood: General Description & RBC Part 2
  3. Blood: White Blood Cells
  4. Blood: Blood Group(A,O,B)
  5. Blood: Blood Group
  6. Blood: Blood Clotting
  7. Human Heart: Gross Anatomy
  8. Human Heart : Double Circulation
  9. Human Heart: Cardiac Cycle
  10. Rythmic Excitation of Human Heart part 1
  11. Rythmic Excitation of Human Heart part 2
  12. ECG & Coronary Artery disease
  13. Atherosclerosis, Hypertension & Venticular Fibrillatio
  14. Lymph
  15. Regulation of Cardiac Activity

Weightage #

Expect about 1 question in NEET — roughly 4 of 720 marks.

1 of 180 questions · 4 of 720 marks
This chapter's share of the paper. Weightage is indicative — it reflects how many questions have typically come from here, not a guarantee for any single year.

Practise this chapter #

Reading it once is not the same as being able to answer it under time.

Practice questionsChapter-wise MCQs with solutions Video lecturesTopic-by-topic walkthroughs Chapter testExam-format, timed NEET previous-year questionsPast questions from this chapter AIIMS previous-year questionsOlder AIIMS papers, same syllabus

Next in Zoology

← PreviousBreathing and Exchange of Gases

Frequently asked #

How many questions come from Body Fluids and Circulation in NEET?
About 1 question — roughly 4 of the 720 marks available. It is a Class 11 Zoology chapter.
What topics does this chapter cover?
15 topics — from Blood: General Description & RBC Part 1 through Regulation of Cardiac Activity. The full list is above.
Where can I practise Body Fluids and Circulation?
Chapter-wise MCQs, video lectures, a timed chapter test, and both NEET and AIIMS previous-year questions — all linked above.