Human Body Facts Flashcards

Numbers and facts about the human body.

Bones in an adult human
206.
Largest bone
Femur (thigh bone).
Smallest bone
Stapes (in the middle ear).
Largest organ
Skin.
Largest gland
Liver.
Longest cell
Neuron (nerve cell).
Normal body temperature
37 °C (98.6 °F).
Life span of red blood cells
About 120 days.
pH of human blood
About 7.4 (slightly alkaline).
Universal blood donor / recipient
Donor: O negative
Recipient: AB positive
Normal blood pressure
120/80 mmHg.
Insulin is secreted by
Beta cells of the Islets of Langerhans in the pancreas.