Class 4 EVS Chapter 1- Organ System of our Body @kidsknowledgepoint
Our body is made up of different parts that work together to keep us healthy and alive. These parts are grouped into different organ systems . Each system has its special job. Let's learn about the main organ systems of our body: 1. Digestive System Function : Breaks down food into smaller parts that our body can use. Main Organs : Mouth, esophagus, stomach, intestines, and liver. Example : When you eat an apple, the digestive system helps turn it into energy for your body. 2. Respiratory System Function : Helps us breathe in oxygen and breathe out carbon dioxide. Main Organs : Nose, windpipe (trachea), and lungs. Example : When you take a deep breath, your respiratory system is working. 3. Circulatory System Function : Carries blood, oxygen, and nutrients to different parts of the body. Main Organs : Heart, blood, and blood vessels. Example : The heart pumps blood to your legs when you run. 4. Skeletal System Function : Gives our body shape, supports it, and protects delicate orga...