Digestive System
Respiratory System
Circulatory System
Excretory System
Healthy Foods
100

Digestion begins in which part of the body?

Mouth

100

Which two places can air enter the body?

The nose and mouth

100

There are three types of blood vessels: _________, veins, and capillaries.

Arteries
100

What part of the excretory system is letter A?


The kidneys

100

What two things do we get, or take, from the food we eat?

Nutrients and vitamins

200

What part of the digestive system is number 3?

Stomach
200

What part of the respiratory system is letter E?


Trachea

200

What is the function of the heart?

The heart pumps oxygenated blood to the rest of the body.

200

Which part of the excretory system stores urine?

The bladder

200
What do we call food that is bad for us?

Junk food

300

After food enters the mouth, what does it pass through to get to the stomach?

Esophagus

300

Which two tubes connect the trachea to the lungs?

Bronchi

300

What three types of cells make up, or are in, blood?

The three cells in blood are called red blood cells, platelets, and white blood cells.

300

What does the excretory system do? 

The excretory system expels liquid waste.

300

What are two examples of how junk food can be bad for us?

We can gain weight and get sick with different illnesses.

400

What part of the digestive system is number 4? What happens to nutrients here?


It is the small intestine.  Nutrients are absorbed and pass into the blood.

400

Where does gas exchange in the lungs take place?

Alveoli

400

The heart is divided into four chambers. The upper chambers are called atria. What are the lower chambers called?


The lower chambers are called ventricles.

400

Besides urine, what other waste does the excretory system expel, or eliminate?

Sweat 

400

How do vitamins help us?

They help us to not feel tired or get sick easily.

500

Food is digested in how many stages? Name them.

Food is digested in three stages: digestion, absorption, and elimination.

500

Which gas do we breathe in and which gas do we expel?

We breathe in oxygen and expel carbon dioxide.

500

Explain how blood gets oxygenated.

Blood in the heart is pumped into the lungs where the red blood cells get oxygenated.

500
What is the function of the kidneys?

The kidneys filter the blood and remove extra water and waste, creating a liquid called urine.

500

What two types of foods should we eat more of? (example: fruits, grains, etc.)

We should eat more grains and vegetables.