Our cells may be small, but they are mighty. And they are made of lots of amazing stuff, from the DNA that tells your body how to grow, to mini skeletons that let cells move around.
Here’s some facts you ought to know.
LightField Studios/ Shutterstock
Dissection also plays an important role in introducing students to death. It provides moral and ethical training for students as well as a humanistic approach to patient care.
When you have a wound, your body gets to work straight away to clean it out, kill germs and repair the skin.
Shutterstock/Yakobchuk Viacheslav
The body tries to plug a wound quickly to stop germs getting in through broken skin and making you sick. But behind the scenes, your blood is working hard to repair a wound.
How many lakes are in Alaska? Thermokarst lakes on Alaska’s North Slope are self-similar and fractal.
Painting by Cherissa Dukelow
What do earthquakes, wealthy Italian families and your circulatory system have in common? Scientists use fractals, self-similarity and power laws to translate from local to global scales.
The short answer is we have evolved to have nails because they help us pick things up (like food) and pick things off (like bugs).
Leonardo da Vinci’s anatomical drawings and mechanical designs reveal his fascination with engineering, motion, anatomy and ageing.
Google Art Project, via Wikimedia Commons.
Your stomach works very hard with some other body parts to break down food into small pieces. Your body takes in what it needs and the rest is turned into poo.
As gas from your stomach comes up your food pipe, it makes the surface of the upper part of your oesophagus rattle and vibrate. It is a bit like windows that rattle during a windy storm.