human body infographics
Every InfoGraphHub infographic tagged “human body”.
ScienceArteries, Veins and Capillaries
The three kinds of blood vessel compared: arteries carry blood away from the heart under high pressure, veins bring it back at low pressure with the help of valves, and capillaries, only one cell thick, are where the real exchange happens.
ScienceThe Heart by the Numbers
How often does your heart beat, and how much blood does it move? About 100,000 beats a day, roughly 5 litres a minute at rest and some 7,500 litres a day, from an organ about the size of your fist. Every figure is sourced and worked through.
ScienceHow Blood Flows Through the Heart
Follow one drop of blood through the heart in seven steps: in through the vena cava, through the right side to the lungs, back to the left side and out through the aorta. Includes double circulation and what keeps each beat in order.
ScienceThe Human Heart Explained
The heart is a muscular pump in the middle of your chest. A labelled front-view diagram of its four chambers, four one-way valves, the septum and the great blood vessels that link it to the lungs and the rest of the body.
ScienceThe Human Digestive System: How Food Becomes Energy
The digestive system breaks food into nutrients small enough to enter the blood. Food passes from the mouth through the oesophagus, stomach and intestines, helped by juices from the liver, gallbladder and pancreas.