Most of the Carbon Dioxide in the Blood Is Transported

question 27

Multiple Choice

Most of the carbon dioxide in the blood is transported:

• A) dissolved in plasma.
• B) as bicarbonate ions.
• C) by hemoglobin.
• D) as carbonic anhydrase.
• E) as carbonic acid.

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Definitions:

Receptor Activity

The involvement of cellular receptors in responding to stimuli or drugs, affecting cell function.

Reuptake

Reuptake is a process by which neurotransmitters are absorbed back into the neuronal presynaptic cell after their release into the synaptic cleft, influencing neurotransmission.

Neurotransmitter Molecules

Chemical substances in the nervous system that transmit signals across synapses from one neuron to another.

Sending Neuron

A neuron that transmits a nerve impulse away from itself towards another neuron, muscle cell, or gland.