Circulatory system
Digestive system
Respiratory system
Nervous system
Reproductive system
100
The main organ in the circulatory system
What is the heart?
100

There are ____ main parts of the digestive system

What is six?
100

This gas is released when exhaling

What is C02?

100

This organ controls your nerves

What is the brain?

100

 We need the reproductive system to

What is to create a new life?

200

The circulatory system pumps what fluid

What is blood?

200

In this organ food gets bounced around

What is the stomach?

200

Two parts of the respiratory system

What is _____ and _____ (from the following options: nose, mouth, throat, windpipe, lungs, and diaphragm.

200

The nervous system transmits this between the rest of the body

What are signals?

200

This fertilizes the egg

What is sperm?

300

The circulatory works with the _______ system to gather and deliver nutrients

What is the digestive system?

300

The function of the digestive system

What is to give the human body nutrients through breaking down food?

300

_____ takes oxygen from the lungs to the heart

What is blood cells?

300

When you are walking your nervous system is working with what two systems

What is the skeletal and musculer system?
300
How many times a month is an egg released

What is one time?

400

The number of arteries in your body

What is 20?

400

Type of muscle that your intestines are

What is smooth and involuntary?

400

Your brain makes you do this when low on oxygen

What is yawn?
400

About how many neurons are in the brain

What is about 85-86 billion?
400

This system works with the reproductive system to provide nutrients and oxygen from the mother and to the baby

What is the circulatory system?
500

Arteries and veins do this when trying to maintain homeostasis

What is dilating and constricting? 
500

The digestive system maintains homeostasis by keeping this type of balance 

What is a pH balance? 

500

The exchange of _______ helps to regulate the pH of the blood

What is the exchange of gas?

500

The nervous system does what to control homeostasis 

What is regulating all the parts of the body? 

500

While in the mother's uterus homeostasis is working to... 

What is to make sure the offspring survives? 
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