Exam 28: The Digestive and Urinary Systems

An organism with an incomplete digestive tract is at a disadvantage compared to an organism with a complete digestive tract since the organism with an incomplete digestive tract

The main site of water and mineral absorption in the human digestive system is the

Which organism is incorrectly matched with its mode of obtaining nutrients?

The functional unit of a kidney is a

If a doctor performing abdominal surgery on you accidentally cut the blood supply to one kidney,you would know that the doctor cut the 

Which disease is caused by a deficiency of vitamin D?

In herbivores,cellulose is primarily broken down by

The structure that covers the opening to the trachea during swallowing,thereby preventing food from entering the air passage,is the

The human large intestine is about ________ in length.

When people with celiac disease eat foods or use products containing gluten,their immune system responds by damaging or destroying villi.Which symptom would a person with celiac disease have?

The process used to control the level of water and ions in body fluids is termed

Smelling food causes a hungry person to salivate.Which of the following begins to be digested in saliva?

Unlike humans,cows emit up to 200 L of methane (CH₄)each day through belching.Which explains this difference?

Kidney stones are calcium-rich crystals that form inside the kidney and can be triggered by dehydration because salt concentrations

Which of the following diseases is caused by a deficiency of niacin?

Alcohol reduces ADH secretion that in turn

The enzyme that breaks down fats is

If you wanted to create a medical weapon to cause enemy soldiers to be unable to absorb nutrients,you would target the 

In animals,the pouch that forms the entrance to the large intestine is the

If presented with a person who was malnourished because of a refusal to eat,you would diagnose anorexia nervosa.