Respiratory and Circulatory Systems Quiz

Which of the following correctly traces the passage of air through the respiratory system when entering the lungs?

• trachea, bronchus, bronchiole, alveolus

• bronchus, trachea, alveolus, bronchiole

• alveolus, trachea, bronchiole, bronchus

• bronchiole, alveolus, trachea, bronchus

Which of the following happens as a person breathes in?

• The diaphragm contracts.

• The muscles between the ribs contract.

• Air pressure in the lungs lowers.

• All of these take place.

Why does oxygen in air in the lungs move into the bloodstream?

• It diffuses from a region of low to a region of high concentration.

• It diffuses from a region of high to a region of low concentration.

• both of these

• neither of these

Which organ system does the respiratory system rely on for transporting oxygen to the rest of the body?

• muscular

• digestive

• lymphatic

• circulatory

Which of the following is not a structure or tissue found within the circulatory system?

• heart

• lymph node

• blood

• valve

By volume, the largest component of blood is __________.

• plasma

• red blood cells

• white blood cells

• platelets

One sign of infection is a sudden

• rise in the number of erythrocytes.

• rise in the number of leukocytes.

• drop in the number of erythrocytes.

• drop in the number of leukocytes.

Tags

NGSS.HS-LS1-3

The heart is divided into left and right halves by the __________.

• septum

• valve

• artery

• vein

The air involved in normal breathing is called the __________.

• tidal volume

• residual volume

• vital capacity

• inspiratory reserve volume

The exchange of oxygen between the blood and body cells is __________.

• internal respiration

• external respiration

• cellular respiration

• photosynthesis