The direction where gases diffuse at the arterial end of the pulmonary capillaries are that oxygen diffuses from the alveoli into the blood, while carbon-dioxide diffuses from the blood into the alveoli.
Capillaries are the delicate blood vessels that exist throughout your body. They transport blood, nutrients and oxygen to cells in your organs and body systems. Capillaries are the tiniest blood vessels in your system. The largest capillaries within our body are found in the liver.
Gas exchange takes place within the several alveoli within the lungs and also the capillaries that enfold them. Inhaled oxygen moves from the alveoli to the blood within the capillaries, and carbon-dioxide oves from the blood within the capillaries to the air within the alveoli.
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Answer:
Behaviorism
Explanation:
This is an example of classical conditioning. Ivan Pavlov was a russian scientist in the late 19th century who experimented salivation of dogs. He observed that salivating in the present of food was an unconditioned reflex, while salivating for person which dogs related with food is a conditioned reflex.
During his experiments, when he entered the room dogs salivated because they associated his presence with food, even though he was not carrying food.
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