Carbon Dioxide

question 39

Multiple Choice

Carbon dioxide

• A) is carried by a different binding pigment in the blood than oxygen is.
• B) lowers the acidity of the blood plasma, causing hemoglobin to release oxygen.
• C) moves from regions of cellular respiration to the alveoli dissolved in the cytoplasm of red blood cells.
• D) attaches to hemoglobin, causing structural changes that make oxygen binding more efficient.

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Definitions:

Phalanges

The bones in the fingers and toes of the human body, playing essential roles in movement and dexterity.

Metacarpals

The five elongated bones linking the wrist to the fingers in the hand.

Carpals

The eight small bones forming the wrist that connect the hand to the forearm.

Tarsals

Bones constituting the part of the foot between the leg and the metatarsals, including the ankle bones and forming the structure of the heel and the back of the foot arch.