| Length of alimentary canal |
Approximately 8 meters |
| BMR (Basal metabolic rate) |
1600 K.cal/day |
| Number calls in body |
75 trillion |
| Longest bone |
Femur (thigh bone) |
| Smallest bone |
Ear ossicle, stapes |
| Weight of brain |
1400 gms |
| Blood volume |
6.8 litres (in 70 kg body) |
| Normal B.P |
120/80 mm Hg |
| Number of R.B.C |
(a) In male: 4.5-5.0 million/cubic mm
(b) In female: 4.0-4.5 million/cubic mm |
| Life span of R.B.C |
120 days |
| Normal W.B.C count |
5000-10000/cubic mm |
| Life span of W.B.C |
3-4 days |
| D.L.C (Differential leucocyte count) |
(a) Basophils-0.5-1%
(b) Eosinophils-1-3%
(c) Monocytes-3-8%
(d) Neutrophils-40-70%
(e) Lymphocytes-2-25% |
| Blood platelets count |
2,00,000-4,00,000/cubic mm |
| Haemoglobin |
(a) In male: 14-15.6 gm/100 c.c of blood
(b) In female: 11-14 gm/100 c.c of blood |
| Hb content in body |
500-700 gm |
| Universal blood donor |
O Rh-ve |
| Universal blood recipient |
AB |
| Blood clotting time |
2-5 minutes |
| Average body weight |
70 kg |
| Normal body temperature |
98.4.F or 37.C |
| Breathing rate |
16-20 minutes |
| Dental formula |
adult:2123/2123=32
child: 2120/2120=22 milk teeth |
| Number of cranial nerves |
12 pairs |
| Number of spinal nerves |
31 pairs |
| Largest endocrine gland |
Thyroid |
| Gestation period |
9 months (253-266 days) |
| Normal heart beat |
72-75/ minutes |
| Largest gland |
Liver |
| Largest muscles in the body |
Gluteus maximus (Buttock muscle) |
| Largest smooth muscle |
Uterus of pregnant women |
| Smallest muscles in the body |
Stapedius |
| Largest artery |
Abdominal aorta |
| Largest vein |
Inferior venacava |
| Largest W.B.C |
Monocyte |
| Smallest W.B.C |
Lymphocyte |
| Greatest regeneration power |
In liver |
| Longest nerve |
Sciatic |
| Longest cell |
Neuron (nerve cell) |
| Menstrual cycle |
28 days |
| Menopause age |
45-50 years |
| Minimum regeneration power |
In brain cell |
| Minimum distance for proper vision |
25 cm |
| Type of placenta |
Haemochorial (Chorioallantoic) |
| Pulse rate |
72/minute |
| Volume of semen |
2-4 ml/ejaculation |
| Normal sperm count |
200-350 million/ejaculation |
| ESR (normal Erythrocyte sedimentation rate) |
4.10 min/hour |
| Thinnest skin |
Conjunctiva |
| pH of gastric juice |
1.4 |
| pH of urine |
6.0 |
| pH of blood |
7.35-7.45 |
