Food moves downward through the gastrointestinal tract by gravity.

Having the right mix of good bacteria in the gastrointestinal tract benefits health.

Both the kidneys and the urinary bladder filter waste products from the blood.

Doctors can use dialysis to remove waste and excess fluid when the kidneys stop working.

During digestion, most of the water is absorbed in the _______.

The kidneys filter waste from the blood, using structures called _______.

What does it mean to "eat the rainbow"?

What is the result of a person’s urinary system not working properly?

Saliva begins the digestive process and is involved in _________.

Which of the following is a solid structure associated with the digestive system?

The thick liquid that moves through the small intestine is called _________.

Which accessory organ stores and concentrates bile before releasing it into the small intestine?

The health of our digestive system is often called our _________.

Healthy, or good, bacteria that help you fight off bad bacteria in your gastrointestinal tract are called _________.

Different types of fiber that bacteria use as an energy source and that contribute to digestive health are called _________.

Which of the following is a good source of fiber used as an energy source by bacteria in a person's digestive system?

What is the term for a disease caused by improperly stored, processed, or cooked food?

Which of the following can prevent cross contamination?

What is the process for removing excess water and waste from the body?

As the kidneys filter the blood, they remove waste and excess water, producing _______.

The process of removing waste and excess water from a person's blood by using a machine is called _______.

Which of the following could be a sign of kidney problems?

What is the process of removing an organ from a donor to replace a recipient’s failed organ?