How do humans digest food?

Science

The digestive system involves a group of organs that helps us get ____ from food to fuel our bodies.

What is the substance that mixes with food in the mouth and helps to make it softer and easier to swallow?

The food enters the stomach after going through the ______.

Which of these deals mostly with waste after nutrients have been absorbed into the bloodstream?

Which of these does NOT form part of the circulatory process?

When blood deposits carbon dioxide in the lungs, what does it then pick up?

Without your circulatory system,  your cells would never receive the oxygen and ___ they need to function.

Which of these takes blood back with carbon dioxide to the heart?