Biology
There are four principles of modern biology. Even though there are many branches of biology, these four principles always hold true. First Principle: Cells are the basic unit of life, make up all life, and come from other cells. Second Principle: Genes are units of heredity, which means that they
Biology
All fingerprints are unique and none of them are the same. Even twins have different fingerprints. When you are born, you have small lumps on your fingers. These lumps determine what your fingerprint's pattern will be. Even the slightest difference in the location on the finger or size
Biology
Have you ever wondered why your skin has a pigment (a color)? The answer to this question is Melanin. Melanin gives you your skin color. If your skin is white then your skin's Melanin is in the upper layers of it, and if your skin is black then
Biology
Your lungs are some of the most important organs in your body. Without them, you would not be able to breathe in air, and (obviously) you would not be able to live. One of the most damaging things you can do to your lungs is smoking. Smoking does many nasty
Biology
When you breathe, air travels down your nasal cavity, into the trachea, and into your bronchial tubes. These tubes split up into many other tubes that each lead to sacs called alveoli. The body has been designed to defend your lungs from elements in the air that might damage them.
Biology
In this article, I will talk about common respiratory diseases, their symptoms, causes, and how they can be avoided. Asthma Asthma is one of the most common respiratory diseases. It causes difficulty breathing through inflammation of the airways. Asthma symptoms include wheezing, dry cough, chest tightness, and shortness of breath.
Biology
When you take a breath a muscle in your lungs called the diaphragm contracts, pulling air into your lungs. Oxygen enters through the nose and into the nasal cavity and into the pharynx then it goes through the voice box (larnix). Below the larnix is a tube called the trachea
Biology
Two hundred years ago people thought that blood was sometimes harmful and that too much bad blood was dangerous. The common motto for doctors was “let out the blood, let out the disease.” Instead of treating illnesses with medicine, people believed that removing blood from the body would help solve
Biology
Warning ~ Please sit down before reading, contents may make you pass out because of confusion. If someone has a serious injury and starts losing a lot of blood, then a blood transfusion must be performed for him to stay alive. However, even though all blood has the same ingredients, it
Biology
There are many blood diseases, some more serious than others, and today I will be talking about a few of these. One of the most serious diseases is anemia. This disease occurs when there's not enough healthy red blood cells to carry oxygen to the different parts of
Biology
The blood is made up of red blood cells, white blood cells, and platelets. All of these parts of the blood are moved by plasma, which is a yellow liquid in the blood, it takes up 55% of it. Red blood cells are like dump trucks that bring oxygen to
Biology
The circulatory system can be called the “transportation highway” of your body. It is made up of your heart, blood veins, and blood. In order to understand why your circulatory system is called this way, we have to know what it does. Moving Blood Your circulatory system is used for