Organs
this organ pumps blood to the body.
the heart.
This system moves oxygen around the body.
It is the circulatory system.
What is the generally estimated maximum heart rate?
It is 220 bpm.
Your heart is about the size of this.
The size of your fist.
Why does your heart beat faster when you run?
Because your body needs more oxygen and energy.
these two organs help you breathe.
the lungs.
This system helps break down food.
It is the digestive system.
Which animals have the lowest heartbeat?
Usually big animals like the elephant, lion or tigers.
Your lungs fill with this gas.
Oxygen.
What happens if your lungs stop working?
The body cannot get oxygen.
This organ filters waste from your blood.
the kidneys.
This system removes waste from the body.
It is the excretory system.
Which animals have the highest heartbeat rate?
Usually rodents like shrew, mouse or hamsters.
this is the largest organ in our body.
It is the skin.
Why are the digestive and circulatory systems connected?
Nutrients absorbed in digestion travel through the blood.
This organ absorbs nutrients into the blood.
It is the small intestine.
This system allows gas exchange.
It is the respiratory system.
complete the question with do or does: ___________ the lungs belong to the respiratory system?
Do the lungs belong to the respiratory system?
This liquid carries nutrients and oxygen.
It is the blood.
Which two systems work together when you exercise?
Respiratory and circulatory systems.
this organ stores urine before expelling it from the body.
the bladder.
This system controls messages in the body.
It is the nervous system.
Complete the question with do or does: __________ the heart belong to the circulatory system?
Does the heart belong to the circulatory system?
anyone in the world has the same as you.
your fingerprint.
What does the excretory system help us do?
It helps removing waste and balancing fluids.