Body systems are groups of organs and tissues that work together to perform a specific job in the body. Some common body systems in humans are the digestive system, circulatory system, and respiratory system. Each system is made up of different organs that work together to keep the body healthy and functioning!
Exploring the Human Body: What are Body Systems?
Circulatory System: The system of organs and tissues that transport blood and oxygen throughout the body. Respiratory System: The system of organs responsible for taking in oxygen and expelling carbon dioxide. Nervous System: The network of nerve cells and fibers that transmits signals between parts of the body and the brain.
The human body has about 206 bones, but newborn babies have 270 bones that eventually fuse together as they grow. The human body is composed of over 10 trillion cells and contains approximately 37 trillion bacteria cells. The human body can produce 1.2 liters of sweat a day, and the average adult breathes in 11,000 liters of air every day.
Did you know?
What are the major body systems and how do they interact?
Name some essential functions of the body systems and how they work together to carry them out?
How does understanding the body systems help you understand how the body works together?
Brain break: Draw an astronaut elephant holding a banana flag on the moon
Question: Which body systems work together to help you breathe? Clues: • One system brings air in and out of your lungs. • Another system helps circulate oxygen to your organs. • The last system carries away carbon dioxide waste. In pairs: Select and solve one of the tasks: A. Draw a picture of how these 3 body systems work together. B. Think of an activity that would show how these body systems work together.
Which body system is responsible for the exchange of gases between the body and the environment?
- Reproductive System
- Skeletal System
- Respiratory System
What is the name of the muscular organ that pumps blood through our circulatory system?
What is the function of our respiratory system?
- To digest food and absorb nutrients
- To transport blood throughout our bodies
- To take in oxygen and expel carbon dioxide
Which part(s) make up our central nervous system?
- Brain and spinal cord
- Kidneys and bladder
- Stomach and intestines