50+ Important Questions on Human Body for competitive exam | Top GK Questions of Human Body 

At very high altitude the RBC in the human body will – Increase in number
Blood is red in colour due to the presence of – Haemoglobin 
Bones are connected by which tissue – Ligaments
Colour of eye depends upon pigment presence in – Iris
DPT vaccine is helpful in prevent the disease – Diptheria, Pertussis, Tetanus
ECG is used for the diagnosis of ailments of – Heart 
Failure of which gland results in diabetes in human body – Pancreas
How many basic tastes can humans sense – 5 (sweet, sour, bitter, salty and umami) 
Image formed on which part of eye – Retina
In human body dialysis is used for failure of which organ – Kidney
In human body formation of red blood cells occur at – Bone marrow
In human body where is tibia bone found – Leg
In human body which organ has maximum power of generation – Liver
In human eye the least distance of distinct vision is – 25 cm
In human universal donor has the blood group of – O
Myopia and hypermetropia diseases connected with – Eyes
Name the largest bone in human body – Femur
Name the largest joint in the human body – Knee
Name the largest vein in human body – Interior Venacava
Name the largest white blood corpuscle – Monocyte
Name the longest muscle in human body – Sartorus muscle 
Name the most commonly broken bone in the human body – Clavicle (collarbone)
Name the smallest bone in human body – Stapes
Name the smallest endocrine gland in human body – Pituitary gland
Name the smallest muscle in the human body – Stapedius 
Our bones and teeth are made of which element – Tricalcium Phosphate
Thalassemia is hereditary diseases which affects – Blood
Transport of oxygen in human body by – Blood 
Universal recipient has the blood group of – AB
What is life span of RBC – 120 days
What is the another name of human voice box – Larynx
What is the average length of large intestine – 1.5 meter
What is the average length of small intestine – 7 meter 
What is the body temperature of healthy human – 36.9 or 27 degree centigrade 
What is the largest part of brain – Cerebrum 
What is the main constituent of hemoglobin – Iron 
What is the number of chormosomes in human cell – 46 (23 pairs)
What is the semi-circular area of nail called – Lunula
What is the total number of bone in human body – 206
Where is mendible bone is located – Jaw
Which component of blood is responsible for clotting – Platelets
Which gland is associated with blood pressure – Adrenal gland
Which gland is associated with disease goiter – thyroid gland
Which hormone is called emergency hormone in human body – Adrenaline gland 
Which instrument is used to measure blood pressure – Sphygnomanometer
Which is the largest blood vessel in human body – Aorta 
Which isotope of cobalt is used in detection of cancer – Cobalt – 60 
Which organ filters blood in human body – Spleen 
Why blood do not clot inside the blood vessel – due to presence of heparin