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Nutrition and Respiration Crossword

Horizontales
One of the seven food groups
Air sacs found in the lungs
This food group can be either simple or complex
A lack of vitamin C will cause this
The trachea splits into two of these
This increases when we exercise
The process of breathing in
Site of cell respiration
Large food molecules are broken down into ------------ molecules.
When this large muscle contracts the lungs expand
A substance made up of amino acids
A micro-organism that causes disease
Verticales
Having too much fat in your diet can cause this
Biological catalysts that help us to digest our food
A toxic waste gas produed by cells during respiration
The process of inhaling and exhaling
Fats are emulsified by this substance
Chewing is an example of this type of disgestion
When particles move from an area of high concentration to an area of low concentration
This substance makes up 65% of your body