Human Body Quiz

If the oxygen supply of the body is cut off, death will occur in about ________ minutes.

• 8 to 10

• 4 to 6

• 1 to 2

• 2 to 4

Oxygen from air is made available to the blood through the ________ and then to the body cells by the circulatory system.

• respiratory system

• gastrointestinal system

• endocrine system

• central nervous system

Which of the following is an organ or structure of the respiratory system?

• All of the above.

• Nose

• Pharynx

• Lungs

Which organ functions as the passageway for both food and air?

• Pharynx

• Trachea

• Lungs

• Nose

Which organ carries food to the stomach?

• Nose

• None of the above.

• Trachea

• Esophagus

Which organ is the passageway for air to travel into the lungs?

• Esophagus

• None of the above.

• Larynx

• Trachea

An unresponsive person is at risk for suffocation because:

• foreign objects, such as false teeth, may cause suffocation.

• liquid in the windpipe may cause suffocation.

• All of the above.

• normal swallowing controls will not operate.

The passage of air into and out of the lungs is called ________.

• digestion

• circulation

• ventilation

• respiration

The process of breathing out is called ________.

• circulation

• inhalation

• exhalation

• respiration

Signs of inadequate breathing include which of the following?

• All of the above.

• An abnormal breathing rate

• Cool and clammy skin

• Pale or blue-gray skin