Human Body and Functions

Why is the blood that flows from the lungs to the heart bright red?

• It has oxygen in it

• It has carbon dioxide in it

• It has food coloring in it

• It has waste in it

What system receives oxygen and gets rid of carbon dioxide?

• Heart
• Muscular System
• Veins 
• Respiratory System

What system breaks food down into energy for the body?

• Stomach

• Digestive System

• Respiratory system

• Lungs

How does the digestive system work with all other systems?

• The digestvie system transports blood to all the other systems
• The digestive system puts oxygen into the body
• The digestive system gives the body energy and nutrients
• The digestive system allows the body to move

The muscular organ that pumps blood through out your body is your _________

• diaphragm

• heart

• veins

• arteries

Food is broken down to supply energy for your body in the ____________

• digestive system

• nervous system

• excretory system

• skeletal system

 What is the main function of the respiratory system?

• take in oxygen and exhale waste like carbon dioxide
• move nutrients throughout the body
• take in carbon dioxide and exhale oxygen

Where does digestion start?

• stomach
• mouth
• esophagus

Which two human body systems are most responsible for getting oxygen to cells?

• digestive and skeletal
• skeletal and circulatory
• circulatory and respiratory
• respiratory and digestive
  

What does the nervous system do ? 

• Controls the brain

• helps you breath

• sends messages throughout the body

• helps you digest food