Human body
What organ is responsible for breathing?
Lungs
When does our heartbeat increase?
when we are active (run, jump) or stressed
What is a windpipe?
a tube through which air travels from nose to the lungs
Why do we need food?
for energy
What organ filters the blood from wastes and forms urea?
Kidneys
Neck and wrist
When you breathe in, do your lungs get bigger or smaller?
bigger
What are the main organs of the digestive system?
stomach and intestines
The largest organ of our body
The diagram with the heart usually shows blue and red blood vessels. Why? What does it mean?
Red vessels - with oxygen, blue vessels - without oxygen
What is the name of the umbrella muscle?
Diaphragm
What is digestive juice?
How are organs protected?
With bones (skull and ribs)
How many times a day does the heart beat?
100,000 and more
What gas do we breathe in? What gas do we breathe out?
Oxygen, carbon dioxide
What is the process of breaking the food into small pieces called?
digestion!
The length of the small intestine?
about 5.5 metres (18 feet)
The heart has two sides - left and right. Explain the role and difference of each side.
The left side pumps blood with oxygen to all other body parts. The right side pumps blood without oxygen to the lungs only.
Explain what a diaphragm is and what its role is in breathing.
The diaphragm is a muscle that makes our lungs smaller or bigger when we breathe.
Where does the food get small enough to pass to the blood vessels?
Intestine