Human organ system
Definition:
The human organ system is a group of organs that work together to keep our body healthy and alive.
Interesting points:
The heart works day and night without resting.
The brain controls the whole body, even when we sleep.
We breathe automatically without thinking about it.
The human body has 206 bones.
Muscles work in pairs to help us move.
Main points:
The human body has many organ systems.
An organ system is a group of organs working together.
Each organ system has a special function.
The digestive system digests food.
The respiratory system helps us breathe.
The circulatory system carries blood and oxygen.
The nervous system controls body actions.
The skeletal system gives shape and support.
The muscular system helps in movement.
The excretory system removes waste from the body.
Functions:
Digestive system – Digests food and gives energy.
Respiratory system – Helps us breathe.
Circulatory system – Carries blood, oxygen, and nutrients.
Nervous system – Controls thinking and body actions.
Skeletal system – Gives shape and support to the body.
Muscular system – Helps the body move.
Excretory system – Removes waste from the body.
Target organ- A target organ is the body part that a hormone acts on to do its job
Fun Fact:
Your heart beats about 100,000 times every day to keep you alive!