Digestive System
Respiratory System
Circulatory System
Musculoskeletal system
Tissues, Bones & Organs
100
Where does the digestive system start?
Your mouth (food going in)
100
What do humans breathe in?
Oxygen
100
What is the circulatory system responsible for moving?
Blood
100
What are the 2 main parts of the musculoskeletal system?
Bones and muscles
100
Name the organ found inside your skull
Brain
200
What is the purpose of the digestive system?
Helps your body to digest food and get nutrients.
200
What do humans breathe out?
Carbon Dioxide
200
What do Red Blood Cells do?
Carry oxygen throughout the body
200
Name one activity that requires muscles and bones
....
200
What is a vein?
A way to transport blood through the body (kind of like a tube)
300
What organ is responsible for breaking down the food using acids?
Stomach
300
What is the biggest organ found in the respiratory system?
The lungs
300
What is the most important organ in the circulatory system?
The heart
300
What is this group of muscles called?
Calf muscles
300
Name one way to keep your organs and tissues healthy
....
400
What job does the large intestine do?
Absorbing water from waste
400
Where does oxygen enter the human body?
The nasal canal/mouth
400
When blood has no oxygen left, where does the heart pump it to?
The lungs (to get more oxygen)
400
What is the biggest, strongest bone in the human body?
The femur bone (thigh bone)
400
How many bones are in the human body?
206 bones
500
What organ is this? 
Small Intestine
500
What is the muscle that makes you able to breathe in and out?
The diaphragm
500
Where is your blood created?
Inside of your bones.
500
Where is the smallest bone in the human body located?
Inside the ear
500
What is the biggest organ of the human body?
Skin