Chapter 28 of 32
Syllabus
Body Fluids and Circulation — Syllabus
BITSAT · Biology
Topics covered in Body Fluids and Circulation for BITSAT Biology. Understand the syllabus structure and key areas to focus on.
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Topics covered in Body Fluids and Circulation for BITSAT Biology.
Topics in Body Fluids and Circulation
1
Blood - Composition and Components
- Blood is a mobile connective tissue consisting of plasma (55%) and formed elements (45%)
- Total blood volume in adult human: 5-5.5 litres, constituting 30-35% of extracellular fluid
- Blood pH is slightly alkaline at 7.4, maintaining homeostasis
2
Blood Groups and Transfusion
- ABO blood grouping discovered by Karl Landsteiner (1900)
- ABO system controlled by gene I with three alleles: IA, IB, i
- Blood group A: IA IA or IA i genotype, A antigens, anti-B antibodies
3
Blood Clotting Mechanism
- Blood clotting prevents excessive blood loss from injured vessels
- Clotting time: 3-8 minutes under normal conditions
- Process involves conversion of fibrinogen to fibrin threads
4
Lymphatic System and Tissue Fluid
- Lymph is colorless fluid derived from tissue fluid
- Contains lymph plasma and lymphocytes (no RBCs or platelets)
- Lymph plasma has fewer proteins than blood plasma
Key Concepts
Blood is a mobile connective tissueABO system is based on presenceHuman heart is a fourCardiac cycle consists of systole (contraction)Blood passes through heart twice
Frequently Asked Questions
What topics are covered in Body Fluids and Circulation for BITSAT?
Body Fluids and Circulation is an important chapter in BITSAT Biology. It covers key concepts and formulas that are frequently tested in the exam. Key topics include: Blood - Composition and Components, Blood Groups and Transfusion, Blood Clotting Mechanism, Lymphatic System and Tissue Fluid.
How important is Body Fluids and Circulation for BITSAT?
Body Fluids and Circulation is a frequently tested chapter in BITSAT Biology. Questions from this chapter appear regularly in previous year papers. There are 81 practice questions available for this chapter.
How to prepare Body Fluids and Circulation for BITSAT?
Start by understanding the core concepts, then solve practice questions. Focus on formulas and their applications. Use revision notes for quick review before the exam.
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