Food
This nutrient helps repair muscles, and form enzymes in your body.
protein
Your ____ let you move to do work or exercise.
muscles
oesophagus
Your heart and blood veins are part of your ___ system.
Circulatory
Batteries have two parts, one with a ___ charge and one with a ____ charge.
positive, negative
You get protein from eating ___.
fish, seafood, eggs, or meat
You need to sleep __ hours each day.
eight
This organ is a pump that moves blood around your body.
heart
Your brain and nerves are part of your ___ system.
nervous
Electrons have a ____ charge.
negative
Eating foods with lots of ___ can damage your teeth.
sugar
This help to clean your blood by removing toxins.
liver
They take carbon dioxide out of your blood, and put oxygen in.
lungs
Your nose and lungs are part of your ___ system.
respiratory
Electricity travels easily through ___.
wires / cables / copper / metal
Some minerals your body needs are ___ and ___.
Calcium, Potassium
A good way to keep your heart and lungs healthy is by doing ___.
exercise
This organ uses electrical and chemical signals to control your body.
brain
Your mouth, stomach, and intestines are part of your ____ system.
digestive
When a strong negative charge builds up in a cloud, it is balanced by sending ____ out.
lightning
Carbohydrates are found in foods like ___, ___, and ___.
rice, noodles, bread
This organ is made of 86 billion neurons which "talk" to each other through electric signals.
human brain
It uses acid to break down the food you eat.
stomach
White blood cells protect you from bacteria and viruses. They are part of your ____ system
immune
Electricity flows from one place to another because ___.
it is moving toward a positive charge