Respiratory System
What's the main job of the respiratory system?
Gas exchange - breathing in oxygen and breathing out CO2
What's the main job of the digestive system?
Breaking down food & absorbing nutrients
What's the main job of your immune system?
Fight germs/pathogens
How does the respiratory system work with the circulatory system?
You breathe in oxygen to your lungs, the blood carries the oxygen to cells, the blood sends CO2 back to your lungs, and you breathe it out
What would happen if you had damaged alveoli?
Oxygen exchange would decrease
Where does gas exchange happen?
Alveoli
Which part of your body does most of your mechanical digestion?
Your mouth
Which blood cells fight infection?
White blood cells
How do the muscular system and skeletal system work together?
Muscles pull on bones to create movement
What system would be failing if you had low red blood cell count?
What muscle helps you breathe?
Diaphragm
Which part of your body does most of your chemical digestion?
Your stomach (with acid & enzymes)
What are the 2 most common kinds of pathogens?
How do the nervous system and muscular system work together?
Brain sends signals and the muscles move
What would happen if you have damaged nerves?
Which system does the respiratory system work with to move oxygen into and CO2 out of the cells throughout your body?
The circulatory system
What does your small intestine do?
Absorb nutrients
What system makes the white blood cells used by the immune system to fight infection?
The skeletal system (made in bone marrow)
How does your circulatory system work with your muscular system?
Blood delivers oxygen needed to make muscles work
What would happen if your muscles stopped working?
You couldn't breathe or move
Why doesn't food go into your lungs when you eat?
The epiglottis
What does your large intestine do?
Reabsorb water back into your body
What happens if your immune system fails?
You will get sick
How does your digestive system work with your nervous system?
When you are in fight or flight, your digestive system slows down and when you are in rest & digest, your digestive system works again.
What would happen if your cerebellum was damaged?
You wouldn't be able to balance.