Human Body in Numbers|| One to Quadrillion in 90 Seconds || @biologyexams4u
May 9, 2026
Amazing Human Body in Numbers based on scientific literature in 90 seconds
Number of Heart
Number of Kidneys
Number of Heart Chambers
Number of Blood Volume
Number of Small Intestine Length
Number of Cranial Nerve Pairs
Number of Ribs
Number of Permanent Teeth
Number of Vertebrae
Lung Surface Area
Daily Blood Filtration rate
Number of Adult Bones
Number of Skeletal Muscles
Number of Taste Buds
Number of Scalp Hairs
Number of Nephrons
Number of Sweat Glands
Number of Cell Production/Sec
Number of Olfactory Receptors
Number of Photoreceptors (Eyes)
Number of Alveoli (Lungs)
Number of Lifetime Heartbeats
Number of Capillaries
Number of DNA Length
Number of Brain Neurons
Daily Cell Turnover
Number of Red Blood Cells
Total Human Cells
Total Bacteria
Number of Cerebral Synapses
Happy Learning✌️@biologyexams4u
Some references:
Gray’s Anatomy
NIH / Sensory Biology
Dermatology Research
Nyengaard & Bendtsen (1992)
Sender et al. (2016)
Sensory Neuroscience
Purves et al. (Neuroscience)
Ochs et al. (2004)
Cardiology Statistics
Microcirculation Research
Molecular Biology of the Cell
Herculano-Houzel (2009)
Sender et al. (2016)
Sender et al. (2016)
Sender et al. (2016)
Sender et al. (2016)
van Oostrum, M., & Schuman, E. M. (2025). Understanding the molecular diversity of synapses. Nature Reviews Neuroscience, 26(2), 65-81.
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