Name: 

When you breathe, your lungs take in oxygen and remove ______.

Cellular respiration requires supplying your body’s cells with ______.

The ______ is a tubelike passageway for both food and air.

Within the lungs, the exchange of oxygen and carbon dioxide occurs between the ______ and the capillaries.

The ______ prevents food or liquid from entering your trachea.

People whose ______ don’t work may have to undergo dialysis.

When urinary organs don’t work, all of the following occur EXCEPT ______.

A disorder of the lungs called ______ is often an allergic reaction.

______ in cigarette smoke is the greatest contributor to lung cancer.

The main excretory organs of your body are the large intestine, kidney, lungs, and ______.

The organs of your urinary system are ______ organs.

A tube called the ______ leads from the bladder to the outside of the body.

tuntrnie—substance in food that provides energy and raw materials _____________________

ryalxn—structure to which vocal cords are attached _____________________

erhcaat—tube with cartilage, mucous membranes, and cilia _____________________

hobirnc—branches of the trachea _____________________

iavello—clusters of thin-walled air sacs in the lungs _____________________

livil—fingerlike projections in the small intestine _____________________

etreurs—tubes that lead from each kidney to the bladder _____________________

sliranem—inorganic nutrients _____________________

snedyik—major organs of urinary system _____________________

rohspnen—filtering units of the kidneys _____________________

yemzen—protein that speeds up chemical reactions _____________________

derdabl—organ that holds urine until it is excreted _____________________

nivimat—organic nutrient needed in small amounts _____________________

List four diseases or disorders of the respiratory system.

List the five major excretory organs.

List the four organic nutrients and the two inorganic nutrients.

Name the five food groups, and explain the relationship between diet and health.

Explain how homeostasis is maintained in the digestive system.

List three functions of the urinary system.

Complete the paragraph by filling in the blanks.

The main job of the a)____ is to absorb water from undigested food. In doing so, the body returns large amounts of water to the body and maintains b)____. c)____ slows down somewhat in the large intestine. Chyme may stay here as long as d)____ days. During this time, excess water is absorbed back into the bloodstream. The remaining materials, consisting of e)____ and bacteria, become more f)_____. Bacteria that live here feed on these undigested materials. This is a symbiotic relationship. The bacteria feed on these materials, and in return they produce several g)____ that you need.

Listed below are five activities of the respiratory system. Give a function of each.

List three functions of the urinary system.

What are enzymes and how do they aid in digestion?

Explain how oxygen and carbon dioxide are exchanged in the lungs.