Machines bring food or nutrients, haul away waste, harvest the final product.

It was once thought that to grow crops regularly in less fertile areas, the soil must be turned to bring nutrients to the surface.

The placenta brings nutrients and water from the mother's bloodstream to the growing baby.

Alfalfa, which sends roots deep to bring nutrients to the surface.

This upwelling can bring nutrients to the surface and lead to phytoplankton growth.

Blood is pushed through the organism by the heart, and brings nutrients and oxygen to our tissues.

Learn how the circulatory system - your heart, blood vessels and blood - bring nutrients to the body.

Blood vessels within the retina bring nutrients to the retina's nerve cells.

These plants bring nutrients up from the deeper soil and improve its structure making it very rich in trace minerals.

This blood brings the oxygen and nutrients to your body.