During each cycle of normal resting ventilation, a volume of gas ...

[michelleunicorn]

During each cycle of normal resting ventilation, a volume of gas is moved into and out of the respiratory tract. This cyclical volume is called the:
 
  a. inspiratory reserve volume (IRV).
  b. vital capacity (VC).
  c. residual volume (RV).
  d. tidal volume (VT).

Question 2

What is the role of the left and right ventricles?
 
  a. Supply the body with blood.
  b. Increase the concentration of red blood cells in the blood.
  c. The forward movement of the blood.
  d. Draining of blood into the right atrium.

[adf223]

Answer to Question 1

ANS: D
During each cycle, a volume of gas moves in and out of the respiratory tract. This volume, meas-ured during either inspiration or expiration, is called the tidal volume, or VT.

Answer to Question 2

ANS: C
The responsibility of the right and left ventricles is the forward movement of the blood.

[michelleunicorn]

TYSM

[vickybb89]

Excellent