Blood
The blood cells that fight germs
White blood cells
What does the heart do
Pumps blood through the body
What branches off from the lungs
Bronchi
What is the only organ that floats
The lungs
how many alveoli do you have
about 600 million
How big are the cappilaries
About one cell thick
How many chambers are in the heart
Four
What controls the lungs expanding and shrinking
The diaphragm
What organ is also known as your throat
Pharynx
How many ribs does the human body have
24 or 2 pairs of 12
How do blood cells receive oxygen
The gas exchange
What is the difference in vessels and arteries
One is thicker and more flexible, the other is larger but thinner and stiff
Which lung is smaller
Left
What organ holds your voice box
Epiglottis
About how many breathes does the human take per day
12,000
What is the ratio of red blood cells to white blood cells
700:1 Red:White
Which way do arteries carry blood
To the heart
What branches off from the bronchi
Bronchioles
What does the epiglottis do
Filter food and oxygen
How many times does the heart beat per minute
60-100
Capilaries
Which way do vessels carry blood
Away from the heart
Why do you yawn
To get more airflow
Why is the left lung smaller
To make way for the heart
What causes a hiccup
The diaphragm spasming