The Respiratory And Excretory System Part 1: Question Preview (ID: 18249)

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Which substances are produced during respiration?
a) water and oxygen
b) carbon dioxide and water
c) oxygen and red blood cells
d) oxygen and red blood cells

The role of the respiratory system is to bring what substance into the body?
a) oxygen
b) water
c) red blood cells
d) carbon dioxide

What happens to cause air to be exhaled from the lungs?
a) The rib muscles contract and move outward.
b) The lungs contract and then expand.
c) The chest cavity expands and grows larger.
d) The diaphragm relaxes and moves upward.

Which chemical in tobacco smoke is an addictive drug?
a) tar
b) carbon monoxide
c) nicotine
d) nitrogen

A tumor that develops in the lungs may be a sign of
a) emphysema.
b) heart disease.
c) lung cancer.
d) bronchitis.

Which organ of the excretory system stores urine until the body is ready to eliminate it?
a) urea
b) ureters
c) urinary bladder
d) urethra

Under normal conditions, which of the following substances is found in urine?
a) urea
b) blood cells
c) protein
d) glucose

Which excretory organ eliminates water and some chemical wastes in perspiration?
a) kidneys
b) lungs
c) skin
d) liver

How can smoking lead to emphysema?
a) by slowing the heart rate
b) by increasing hemoglobin levels
c) by destroying lung tissue
d) by damaging the diaphragm

Which parts of the respiratory system divide into smaller and smaller tubes in a pattern that resembles the branches of a tree?
a) epiglottis
b) pharynx
c) trachea
d) bronchi

Hairlike structures that line the nasal cavities and trachea are called
a) bronchi.
b) capillaries.
c) mucus.
d) cilia.

The vocal cords stretch across the opening of the
a) pharynx.
b) larynx.
c) bronchi.
d) diaphragm.

Organs of excretion that maintain homeostasis include the kidneys, lungs, skin, and
a) liver.
b) diaphragm.
c) bronchus.
d) bladder.

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