Functions of internal organs: Useful knowledge needs to be taught immediately

The internal organs in the human body always contain many interesting things. For young children, this will definitely be a scientific topic that brings many useful things.

Young children are always curious, eager to learn and learn about the world around them. Learning about the function and structure of internal organs is one of the interesting topics that parents can share with their children to help children know how to care for and love their body. However, with this topic, what will you tell your child? Please join aFamilyToday Health to see the following sharing.

Each organ in the body has a unique function to keep the body alive. These organs are covered by a layer of skin. There are many small hairs on the skin that are not evenly grown. In the skin there are blood vessels, nerve endings and sweat glands. The skin has the function of protecting the organs in the body from the harmful effects of the external environment, contributing to keeping the body temperature constant. Under the skin is fat, under the fat layer is muscle and bone. Muscles make up the outer shape of the body, bones form the framework that protects the body and internal organs.

Brain

This is an organ with many mysterious functions that scientists have yet to fully discover. The brain is part of the nervous system, the control center of the entire body with more than 100 billion cells. The brain does not have pain receptors, in other words, the brain receives pain signals but it cannot feel pain. Not only that, the brain is also a memory with a capacity of up to 100 terabytes, equivalent to a supercomputer. Humans actually use only a fraction of the brain's capabilities. Even while we sleep, we use only about 10% of our brains.

Heart

The heart is part of the cardiovascular system , responsible for carrying blood to the tissues. Each heart creates pressure large enough to splash blood over 9 meters, equivalent to the height of a three-story building. Every day, a healthy heart has to pump about 2,000 liters of blood through the entire length of the blood vessel system in the body (about 96,500 km).

Children's hearts are about the size of an adult's fist. Meanwhile, an adult's heart is usually about the size of a person's two fist.

Lung

The lungs are an organ of the respiratory system, responsible for transporting oxygen from the external environment to feed the cells in the body and expelling toxic carbon dioxide. The specific gravity of the lung is very light and can float on the water. Every day about 10,000 liters of air through the lungs, so the lungs are vulnerable to bacteria, viruses, fungi and parasites, fine dust in the air ... intrusion causes dry cough or productive cough, shortness of breath. To keep the lungs healthy, we need to take protective measures to limit exposure to pathogens such as dust, cigarette smoke, chemical odors ...

Stomach

The stomach is an organ with a fairly large storage capacity and can change its volume from 1 liter to 4 liters depending on the degree of fullness. The main function of the stomach is to receive and store nutrients of the body and metabolize substances in food. According to research, the acid in the stomach is so strong that it can dissolve some metals, especially when hungry it is so high that it can dissolve synthetic resin. To protect itself from self-digestion, the stomach has many layers and every 2 weeks the new lining is completely renewed.

Small intestine and large intestine

The small intestine and large intestine are located between the esophagus and anus, and fit inside the abdominal cavity of the human body. However, few people know that the length of the small intestine and large intestine combined can be up to 3 - 7m. When food is brought down from the stomach, the small intestine continues the process of destroying the food using enzymes secreted from the pancreas and bile from the liver. Thanks to the movement of the intestinal muscles, food is transported smoothly throughout the length of the small intestine and down the large intestine. Thanks to that, most of the nutrients, water and mineral salts are absorbed in the small intestine. The large intestine will help absorb water, valuable mineral salts left in the food and remove unused residue in the form of feces.

Kidney

The kidneys are part of the endocrine system. The main function of the kidneys is to purify waste products from the blood. For example, nitrogen is a waste product from protein catabolism. Nitrogen is bad for the body, so the kidneys remove it from the bloodstream and excrete it as urine. To do the job, each kidney has at least one million, possibly up to two million small filters, called the nephron (kidney unit). Humans do not really need 2 kidneys, just one is capable of good dialysis. In the case of a baby born with only one kidney, this organ will grow by the weight of the two kidneys combined.

Bladder

The bladder is a storage place for urine. This organ looks like an empty bag and is very elastic. The volume of urine that the bladder can hold is equivalent to an 560 ml can of water. An adult's bladder is shaped and sized to look like a pear.

Liver

The liver is the body's largest internal organ and is also the organ that does the most work. The liver is dark red in color, weighing about 1.4 - 1.6 kg, accounting for about 2% of an adult's body weight and 5% of a child's body weight. Scientists say the liver can perform 100 different tasks, big and small. A liver can handle serious damage on its own. Even the liver can repair itself even though it is cut 75%. In addition, the ancient Greeks also believed that the liver stored all human emotions.

Through the above sharing, hopefully you will have some more useful information about the functions of internal organs to share with your child. When sharing with your children this knowledge, do not forget to combine reminders to take care of their body and maintain healthy habits.