If your child wants to learn about the bones in their body, you can easily teach them by using a built-in teaching aid – their own skeleton. Or, you can peruse Science With Me!’s own resident skeleton, Stanley, for a look at the way bones are organized in the human body!
Like other vertebrates, you rely on a large amount of energy made available through the metabolism of food and oxygen. Humans and many other organisms are called “aerobic” organisms because they need oxygen in order to survive.
A skeleton lurks within us all! Skeletons are very intriguing. They have been portrayed as creepy and scary. But they are not really scary. In fact they are very helpful to humans and animals. A skeleton is a rigid framework without which none of our other body parts would stay in place. If we didn’t [...]
Teeth are small, calcified, white structures found along the jaws of most humans and animals. Humans have two sets of teeth in a lifetime. Adult humans have 32 teeth. Humans first set of teeth are called milk teeth. Children have 20 primary (milk) teeth and generally these will have all been replaced by second teeth [...]
The human eye is the organ of sight. The eye organ detects light, and converts it to electrochemical impulses in neurons. Rod and cone cells in the retina allow us see light, figure out perception of depth (how near and far objects are) and to differentiate color.
The heart is a muscular organ that supplies blood and oxygen to all parts of the body. It is the center of the circulatory system. It is about the size of a clenched fist, weighs about 10.5 ounces and is shaped like a cone. On average, your body has about 5 liters of blood continually [...]
Have you ever experienced a change of voice or a decreased sense of smell when you have a cold? Have you ever observed that your breathing becomes faster and more laborious when you actually pay attention to it? These processes illustrate the complexity of your respiratory system. You could survive without food for days to [...]
The ear is the sense organ for hearing and balance (equilibrium). Not only does the ear act as a receiver for sound it also plays a major role in the sense of position and balance. All humans have two ears but some animals have no ears at all… like snakes! Snakes use their tongues to [...]
The skin is actually an organ. It is the largest organ of the body and it regenerates itself over and over again throughout our lives. The outer covering of flat, dead cells that is found over the surface of our skin – called the stratum corneum.
If you have ever seen a dancer, a skater or an athlete move gracefully, you might have wondered how they are able to bend their limbs so effortlessly and make such amazing moves. The answer lies in the joints. Joints permit movement and flexibility. The body has many bones and all of these are connected [...]