The Advantage of the Double Loop Circulatory Pathway of Some

question 7

Multiple Choice

The advantage of the double loop circulatory pathway of some vertebrates over the single loop circulatory pathway of fish is that

• A) the blood is put back under pressure after picking up oxygen in the respiratory organ.
• B) all the O₂-rich is pumped to the systemic arteries of the body.
• C) the O₂-rich blood and O₂-poor blood mixes in the single ventricle.
• D) the ventricle acts as a strong pump.
• E) the atria act as receiving chambers.

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Definitions:

Avoidance Response

A behavior aimed at evading a specific stimulus or situation perceived as unpleasant or threatening.

Phobia

An extreme or irrational fear or aversion to specific objects, scenarios, or situations, significantly impacting a person's life.

Unconditioned Stimulus

A stimulus that naturally and automatically triggers a response without any prior learning.

Conditioned Stimulus

A stimulus that was originally neutral but, upon being paired with an unconditioned stimulus, prompts a conditioned reaction.