Body Fluids and Circulation — NEET/JEE Questions, Notes & Weightage
Class 11 Human Physiology NEET weightage: Very High 0 questions
Covers blood composition, blood groups, the heart (structure, cardiac cycle, ECG), and the lymphatic system. The cardiac cycle sequence and ECG-wave identification (P, QRS, T) are among the most consistently tested topics in all of NEET Biology.
Practice all 0 Body Fluids and Circulation questions →Topics inside Body Fluids and Circulation
Medicine
89
Physiology
75
Pathology
75
C.V.S
59
Surgery
58
Pediatrics
56
Anatomy
45
Gynaecology & Obstetrics
39
Cardiovascular system
33
Pharmacology
30
Unknown
29
All India exam
27
General anatomy
23
Thorax
20
Radiology
20
Heart, Circulation, and Blood
20
miscellaneous
17
Anaesthesia
14
ENT
14
Blood
12
Microbiology
12
General pathology
12
Haematology
12
Immunology
11
Parasitology
11
Head and neck
11
Social & Preventive Medicine
10
Forensic Medicine
9
Infection
8
Dental
8
Abdomen and pelvis
7
Cardiac and Pericardiac Imaging
7
Nervous system
7
Respiratory System
7
Miscellaneous (Gynae)
6
Genetics
5
Central Nervous system
5
Immunity
5
Endocrinology and breast
5
Bacteriology
5
Conducting System of Hea
5
Autonomic nervous system
5
Pharynx
5
General surgery
5
Other topics and Adverse effects
4
A.N.S.
4
Misc.
4
C.N.S
4
Abdomen & Pelvis
4
Oncology
4
General anaesthesia
4
Hematology
4
Cyanotic Congenital Heart Disease
4
Nutrition and Health
4
Virology
3
Communicable diseases
3
Newborn Infant - Physical Examination
3
Urinary tract
3
Blood: RBCs, Anemia, and Polycythemia
3
Urology
3
Upper limb
3
Trauma
3
Local and Regional Anesthesia
3
G.I.T
3
Anesthesia Circuit
3
Integrated QBank
3
General physiology
3
Genetic and genetic disorders
3
Oesophagus
3
Pregnancy in Rh-negative Women
3
Platelet
3
Infectious Disease
3
Genetics And Genetic Disorders
3
Small & Large Intestine
3
Inflammation & Repair
3
General obstetrics
3
Parasitology Pa 1 (Protozoology)
3
New born infants
3
Ophthalmology
3
Diagnosis of Pregnancy
3
Kidney
3
Hematopoeisis: Basic concepts
3
Anemia and RBC Disorders
3
Diagnosis in obstetrics
2
Blood Vessels of Abdomen and Pelvis
2
Intracellular Accumulations
2
Cells and Tissues of Immune System
2
Blood Vessels of Thorax
2
Acute Inflammation - Overview and Morphologic Patterns
2
Iron deficiency anemia
2
Blood transfusion
2
Primary Immunodeficiency
2
Miscellaneous (Neck)
2
Intravenous Anesthetic Agents
2
Valvular hea diseases
2
Medical & Surgical Illness Complication Pregnancy
2
Testis & Scrotum
2
Immunomodulator
2
Head & Neck
2
Nose and paranasal sinuses
2
Circulation: Cardiac Output, Venous Return
2
Endocrinology
2
Surfaces and Grooves
2
JIPMER 2018
2
FMGE 2019
2
Cytogenetic Disorders
2
Bacteria
2
Chemotherapy
2
Digitalis
2
Bleeding Disorders
2
Breast
2
Fluid & Electrolyte
2
Acyanotic Congenital Heart Disease
2
Heart & Pericardium
2
Platelet Disorders
2
Vascular surgery
2
Immunology and Rheumatology
2
general microbiology
2
Bleeding disorder
2
Miscellaneous (Pharmacology)
2
Pregnancy induced Hypeension
2
Childhood tumors
2
Radiotherapy
2
Cardiopulmonary Cerebral Resuscitation
2
Mendelian Disorders: Single-Gene Defects
2
Obstetrics
2
Basic Concepts
2
Impoant Genetic Syndromes
2
Parasympathetic System & Glaucoma
2
General
2
Diseases of the Aorta
2
Fluid and electrolytes
2
DNB 2018
2
Epistaxis
2
Gynaecological oncology
2
Miscellaneous (Obs)
2
Electrocardiography
2
Liver
2
Thorax And Mediastinum
2
Miscellaneous General Anesthesia
2
Pericardium & Heart
2
ECG and Arrhythmia 3
2
Normal Labour
2
Cardio thoracic surgery
2
Blood Physiology
2
Anitibody
2
Hospital waste and disaster management, Occupational health
2
Immunology Pa 1 (Immune Response, Antigen-Antibody Reactions, Hypersensitivity, Structure of Immune System, Immunodeficiency Disorders)
2
Respiratory System Pa 3
1
RH Incompatibility
1
Neurocutaneous syndromes
1
Autacoids
1
Hypertension
1
Anti-Anginal
1
Meninges & Blood Vessels of the Brain
1
NEET Jan 2020
1
Anesthesia
1
Headache
1
Respiration
1
Anti-Malarial
1
Lower limb
1
Cardiovascular Radiology
1
Glomerular Diseases
1
FMGE 2017
1
Labor Management Protocols
1
Hea failure
1
Autoimmune skin disorders
1
Hypertensive Disorders in Pregnancy
1
Thalamus, Hypothalamus and Basal Ganglia
1
Circulation: Coronary Circulation and Ischemic Heart Disease
1
Acyanotic congenital hea diseases
1
Preoperative assessment and monitoring in anaesthesia
1
Psychiatry
1
Kidneys and Body Fluids
1
Blood: Transfusion and Organ Transplantation
1
Regional Anesthesia
1
GIT 1
1
Musculoskeletal disorders
1
Other hea diseases in children
1
Physiological Changes of Pregnancy
1
Applied Aspects and Respiratory Adjustments
1
JIPMER 2019
1
Misc. (W.B.C)
1
Pediatric Anesthesia
1
Airway
1
Blood: Hemostasis and Blood Coagulation
1
Skeletal Muscle: Contraction and Excitation
1
Gestational Trophoblastic Disease
1
Development period- week 1,2,3,4
1
Nutrition
1
Fetus & New Born and their Diseases
1
Oral Cavity
1
Murmurs
1
Menier's Disease
1
Abdominal wall ,Inguinal and Femoral region
1
ECG and Arrhythmia 2
1
Screening for Disease
1
Mood disorders
1
Plain Film Radiography, Fluoroscopy, and Tomosynthesis
1
Endocrinology metabolism
1
Preoperative Assessment & Monitoring
1
Salivary Glands
1
Cytotoxic Anticancer Drugs
1
Occupational Health
1
Facial Nerve and its disorders
1
RBC Development and Classification of Anemias
1
Basic Concepts and Vascular changes of Acute Inflammation
1
Heart: Normal Electrocardiogram
1
Ear
1
Osteology
1
Dermatitis Erythema
1
Circulation: Arterial Pressure Regulation - Role of Kidney
1
Thorax- wall and Bronchopulmonary segment
1
Bacterial infections
1
Electrolyte Imbalance
1
Arrhythmias
1
Blood Bank & Transfusion Therapy
1
Secondary Glaucomas
1
Hypersensitivity
1
Death by Electrocution
1
Fibroids
1
Arterial Disorders
1
Systemic Bacteriology (Gram Positive Bacilli, Gram Negative Bacilli)
1
Vulvar cancer
1
Lower Extremity
1
Vitamins and Minerals
1
Impoant Viral Diseases in Children
1
ECG and Arrhythmias 1
1
Urogenital System
1
Aplastic anemia
1
Upper limb : Miscellaneous
1
Ecotopic Pregnancy
1
Disorders of the Anal Canal
1
NEET 2018
1
Hemolytic Anemias: Basic concepts and classification
1
Arthritis
1
Spinal, Epidural, & Caudal Blocks
1
Robotics, Laparoscopy and Bariatric Surgery
1
Endometrial Carcinoma and Hysterectomy
1
Respiratory Radiology
1
Respiratory
1
Pectoral Region, Axilla & Brachial Plexus
1
D.O.C
1
Transfusion
1
Fluids and Electrolyte Imbalance
1
Autoimmune Diseases
1
Gastrointestinal Radiology
1
Thyroid Gland
1
Vasculitis
1
Glycolysis
1
Genito Urinary System
1
Cardiomyopathies
1
Endocrinology and Reproduction
1
C.H.D.
1
Complications Of Anaesthesia
1
Anaesthesia of special situations
1
Cardiac Output
1
Drugs (C.N.S.)
1
obstetrics,pediatrics and geriatrics
1
Lower limb 1
1
Head Injury
1
Hernia
1
Retina
1
Hemoglobinopathies: Sickle cell anemia
1
Obstetrics, Paediatrics and Geriatrics
1
Toxicology
1
Cardiac disorders
1
Injuries
1
Vesiculobullous & Erosive Diseases in the Newborn and Infant
1
Electrolyte and Acid-Base Disorders
1
Medical, surgical and gynaecological illness complicating pregnancy
1
Circulation
1
Cardiac Tumors
1
CVS Embryology
1
Brain
1
Non-depolarising Neuromuscular Blocking Agents
1
Miscellaneous (Bio-Chemistry)
1
Nose
1
Pharmacodynamics
1
Lymphatic System
1
Aboions, Spontaneous & Induced Emergency Contraception (Hey,whats the hurry !)
1
Tumor
1
Disease of pericardium
1
Peripheral Nerve & Muscles
1
Respiratory Distress Syndrome
1
Neuroanatomy 1
1
Sexually Transmitted Disease in the Female
1
Measles
1
Embryology
1
ACE Inhibitors
1
Hydramnios and Oligo Hydramnios
1
Miscellaneous (Neoplasia)
1
Heart: Rhythmical Excitation of the Heart
1
Hemodynamics
1
Glaucoma
1
Lipoproteins
1
Skin Cancer
1
Tomour of Larynx
1
Mycobacterial Infections
1
Anticoagulants and Coagulants
1
Varicose Veins
1
Conjuctiva
1
Mycology
1
Peritoneal Disorders - Peritonitis
1
Hypolipidemic
1
S.T.D.
1
Congenital Heart Disease
1
Introduction and gametogenesis.
1
Upper limb bones and muscles (proximal region) & Scapular movements
1
Biochemistry
1
Shock
1
FMGE 2018
1
Blood Vessels
1
Primary Amenorrhea
1
Neuroanatomy
1
Gynaecological Diagnosis
1
Thalassemia
1
Iron Deficiency and Megaloblastic Anemia
1
ECG
1
Frequently asked questions
What is the single highest-yield topic in this chapter?
The cardiac cycle (systole/diastole sequence, timing, and associated heart sounds) combined with ECG wave identification — together these recur in nearly every NEET paper.
Are blood group / blood clotting questions common?
Yes, especially ABO and Rh blood grouping (compatibility, antigens/antibodies) and the basic clotting-factor cascade sequence.
Should I memorise exact cardiac cycle timings?
Knowing the relative duration of systole vs diastole and total cycle time (~0.8s) is worth memorising precisely, since NEET has asked numeric/timing-based questions on this directly.