ClassX Video Lessons Youtube Channel Smile and Learn English Human body organ systems for kids – Compilation
Our bodies are like amazing machines made up of different systems that work together to keep us alive and healthy. Let’s explore some of these cool systems!
The skeletal system is like the framework of a house, but instead of wood or metal, it’s made of bones! Bones are hard and give our body shape and support. Without them, we’d be like a wobbly jelly! Joints are where two bones meet, allowing us to move. Cartilage is softer than bones and can be found in places like our nose and ears. Together with muscles, our bones help us move. Did you know we have more than 200 bones? Some of them are the skull, ribs, and femur.
The muscular system is made up of muscles that help us move. Muscles can stretch and contract, which means they can get longer and shorter. They also protect our organs. Muscles work with bones to help us run, jump, and play. We have more than 600 muscles, including biceps, abs, and calves. Muscles attach to bones with strong fibers called tendons.
The nervous system is like the body’s control center. It helps us understand the world around us and controls our body’s activities. It sends messages from our senses to our brain. The nervous system has two main parts: the central nervous system, which includes the brain and spinal cord, and the peripheral nervous system, which is made up of nerves that spread throughout our body.
The respiratory system is all about breathing. We breathe in oxygen through our nose or mouth, and it travels to our lungs. In the lungs, oxygen is swapped for carbon dioxide, which we breathe out. Red blood cells carry oxygen to every part of our body. Breathing out gets rid of carbon dioxide, which our body doesn’t need.
The digestive system turns food into energy. It starts in the mouth, where we chew food and mix it with saliva. The food then travels down to the stomach, where it mixes with juices to break down even more. Next, it moves to the intestines, where nutrients are absorbed. Finally, waste is removed from the body.
The excretory system helps get rid of waste. The kidneys filter the blood, creating urine with waste the body doesn’t need. Urine travels from the kidneys to the bladder, where it’s stored until it’s time to go to the bathroom.
The circulatory system is like a transportation network for our body. It moves nutrients and oxygen through the blood. The heart is the main organ, pumping blood through veins and arteries. Blood picks up oxygen in the lungs and delivers it to the rest of the body, then returns to the heart to start the process again.
Isn’t the human body fascinating? There’s so much more to learn, so keep exploring and discovering!
Build a Body Model: Gather some craft supplies like straws, clay, and rubber bands to create a simple model of the human body. Use straws to represent bones, clay for muscles, and rubber bands for tendons. Try to build a basic skeleton and add muscles to see how they work together to help us move. Discuss with your friends or family how each part of your model represents a part of the skeletal or muscular system.
Breathing Experiment: Take a deep breath and notice how your chest moves. Now, try blowing up a balloon. Notice how your lungs fill with air and then push it out, just like the balloon. Discuss how the respiratory system works to bring oxygen into your body and remove carbon dioxide. Try to count how many breaths you take in one minute and think about how this might change when you run or play.
Food Journey Game: Pretend you are a piece of food traveling through the digestive system. Start at the mouth and describe your journey as you move to the stomach, intestines, and finally out of the body. Use a piece of paper to draw your path and label each part of the digestive system. Think about what happens to the food at each stage and how your body uses it for energy.
Sure! Here’s a sanitized version of the transcript:
—
[Music]
**Systems of the Human Body**
**Skeletal System**
The skeletal system is made up of bones, joints, and cartilage. Bones are hard and support our whole body. Without bones, our body would be like jelly. Joints connect our bones and allow movement in our skeleton. Cartilage is softer and more elastic than bones and can be found in our nose and ears. The muscular system and skeletal system together make our locomotor system. We have more than 200 bones, including our skull, spinal cord, humerus, ribs, and femur. Other bones include the jawbone, vertebrae, clavicles, shoulder blade, ulna, radius, sternum, pelvis, and kneecap, as well as the tibia and fibula.
**Muscular System**
The muscular system is made up of muscles that enable movement because they can contract and relax. Muscles are elastic and also protect our organs. Together with the skeletal system, they form our locomotor system. Muscles connect to our bones with fibers called tendons. The connection of both systems, directed by the nervous system, allows us to move. We have more than 600 muscles throughout the body, including biceps, pectorals, abs, masseter, deltoids, quadriceps, trapezius, triceps, glutes, and calves.
**Nervous System**
The nervous system helps us relate to our environment and regulates the activities and functions of the body through nervous impulses. The senses send information from the outside to the brain. The nervous system is divided into the central nervous system and the peripheral nervous system. The central nervous system consists of the brain and spinal cord. The brain is located inside the skull and includes the cerebellum and spinal bulb. The spinal cord is located inside the spine. The peripheral nervous system is formed by the nerves that run throughout our body.
**Respiratory System**
The respiratory system is responsible for breathing. Through the nose or mouth, we obtain oxygen, which passes through the pharynx, larynx, and trachea to the lungs. In the lungs, oxygen is exchanged for carbon dioxide. Red blood cells carry oxygen to all parts of the body. Carbon dioxide is a harmful substance that we eliminate from our body by exhaling through the nose or mouth.
**Digestive System**
The digestive system is responsible for converting food into energy for our bodies. Digestion begins in the mouth when we chew food, mixing it with saliva to form a food bolus. The food bolus passes through the pharynx and esophagus to the stomach, where digestion continues with the help of gastric juices. Next, it goes to the small intestine and then to the large intestine, where water and nutrients are absorbed. The capillaries of the circulatory system surrounding the intestines collect nutrients and distribute them throughout the body. Finally, solid remains from digestion are eliminated through the anus.
**Excretory System**
The excretory system is responsible for eliminating waste. The kidneys clean the blood, producing urine with substances that the body does not need. After filtration in the kidneys, urine travels through the urinary tract, from the ureter to the bladder, where it accumulates until you feel the need to urinate. Then it exits through the urethra and is expelled from the body.
**Circulatory System**
The circulatory system transports nutrients and oxygen throughout the body via blood through veins, arteries, capillaries, and the heart, which is the main organ in this system. The heart pumps blood without oxygen and waste through the arteries to the lungs, where it expels waste and collects oxygen and nutrients needed by cells. Oxygenated blood passes through the heart and is pumped into the organs through the arteries. The organs receive oxygenated blood and return it without oxygen but with waste, which goes back to the heart. The heart then pumps it to the lungs, where it picks up oxygen and expels waste.
[Music]
Have you enjoyed this video about the human body? We have many more! Subscribe to our channel by clicking on the seal, and if you want to keep watching more videos, click on the squares.
—
Let me know if you need any further modifications!
