Biology
Brain surgery began a long time ago. Since ancient times, people have been trying to figure out the brain and help people who had problems with it. People had developed a method for helping out, called trepanning. Trepanning was the process of drilling a small hole in the patient'
Biology
Amazonia is the world's largest rainforest, spanning more than half of Brazil. It is the home of 500 mammals, 175 different lizards, 300 other reptile species, and a third of the world's birds. Around one of the most diverse rivers, The Amazon River grow many diverse
Biology
The nervous system is a very important part of the body because if we didn't have it, we would not be able to do anything. The nervous system starts with the brain, which is connected to the spinal cord, which goes down your spine. This is why a
Biology
Your hands and feet have been created so that you can walk, type, write, drink, and eat. Hands were created for you to be able to grasp, to hold, and to pick up things. In order to move a bit of food to your mouth you use over 30 joints
Biology
Hands and feet are very important because you can do many useful things with them. You need feet for walking and hands for typing, for instance. These are some ways to keep hands and feet healthy: 1: Look for black spots on your fingernails. If there are any, you should
Biology
Muscles are a very important part of your body, so you need to keep them healthy. Four ways to keep your muscles healthy are: warm up and cool down when you work out, stretching them, staying hydrated, and eating the right foods. When you work out, you should warm up
Anatomy
There are many muscles in your body, some of them have whacky names like Gluteus Maximus or Trapezius. The bicep is a muscle in your upper arm, this muscle is right above the tricep. The pectoral muscles are located in your chest. The trapezius is located in your upper back
Biology
There are four layers in the rain forests: Emergent Layer The tallest trees are in the emergent layer, they receive the most amount of sunlight but have to endure low winds, very little humidity, etc. Canopy Layer The broad, irregular crowns of these trees form a tight, continuous canopy 60
Biology
There are six types of joints in the human body. These are: hinge joints, ball and socket joints, pivot joints, ellipsoid, saddle joints, and gliding joints. Hinge Joints Hinge joints are found in your knees, elbows and middle and end parts of your fingers. They can only move on one
Anatomy
In your body, there are many types of joints such as hinge joints, ball and socket joints, pivot joints, ellipsoid joints, and gliding joints. The hinge joint is in your knees and the middle and top segments of your fingers. They can only move back and forth. Ball and socket
Biology
There are four types of bones in the human body: long bones, short bones, flat bones, and irregular bones. Long bones are very important. They have four jobs: to give you your shape, to help you move around, to support your body, and to produce bone marrow. Some examples of
Biology
There are 4 types of bones in your body: long bones, short bones, flat bones, and irregular bones. Long bones are the bones in your arms and in your legs. They give you your height and hold most of your weight. Also, long bones are factories for blood cells. Short