Intro to Body Systems:
Cells are the smallest living things.
In complex organisms (humans, bats, lizards, crabs, trees, etc.) cells form tissue. Tissues are cells working together.
This tissue forms organs. Organs all have specific functions (jobs). These organs work with one another. They form what are called Systems.
What are systems?
The definition of systems is: A set of things working together as parts of an interconnecting network
Example: The heart, lungs, nose, and veins all work together. You breath in through your nose. The air goes into your lungs. Your lungs then add oxygen into your cells. Your heart then pumps these cells (carrying oxygen) through your veins. Thats how your body gets oxygen!
Please watch the video from National Geographic about body systems. We will be going in-depth after this week.
Date Due: 05/24/2020