Question

The sinuses are usually filled with ________.

A. Fluid for balance

B. Mucous

C. Air

D. none of the above

Oxygen binds to the _____ molecule

A. globulin

B. Hemoglobin

C. Membrane

D. red cell

The chloride shift occurs when carbon dioxide helps to form HCl3.

True/False

The portion of the brain that controls respiration is the ______.

A. medulla

B. cerebellum

C. cerebral cortex

D. frontal lobe

It is not possible to breathe and swallow at the same time.

True/False

Answer 1

The sinuses are usually filled with

Air (c)

Oxygen binds to the _____ molecule

  Hemoglobin (b)

The chloride shift occurs when carbon dioxide helps to form HCl3.

False , The chloride shoft occurs when the carbondioxide helps to form H2CO3.

The portion of the brain that controls respiration is the ______.

Medulla (a)

It is not possible to breathe and swallow at the same time.

True,  it is not possible for the human respiratory tract that the neural mechanisms regulating precise coordination of swallowing and breathing are critically important considering that the pharynx serves as a conduit for air going to and from the lungs and for fluids going to the stomach