What is the function of the excretory system?

In the stomach food is mixed with a liquid called...

In the small intestine the food is mixed with two liquids called...

What´s the first stage of digestion?

THe excretory system is made up of...

Where the urine is stored is called

The organ that filter and remove waste products from the blood are called

The macronutrients that our body needs are...

THe nutrientes that are called micronutrients are...

What´s the name of the tube where food travels down to the stomach?

What´s the name of the liquid that starts the digestion?

The nutrients can be divided into two different groups called...

What´s the name of the process where food particles are broken down into nutrients so that they can be absorbed by blood and give energy to our body?