How many chambers does the human heart have?
4
How many bones does an infant have?
300
What's the name of the biggest bone?
Femur
How many times a day does the heart beat?
100,000
What's another name for the trachea?
Windpipe
Which lung is bigger, left or right?
Right
Which organ can float in water?
The lungs
What's the first stage of the digestive system?
Chewing
What does the large intestine produce?
Water
Antibodies
DNA
Acid
What is the largest part of the brain called?
Cerebrum
What does the cerebellum do?
Helps to maintain balance and regulates motor moevements.
The brain stem is connected to:
the spinal cord
What is the amygdala responsible for?
Emotions, memories and survival instincts
How many stages of sleep are there?
5
Which is the deepest stage of sleep?
R.E.M.
Why do we dream?
We don't know
