In Regard to Blood Circulation, If You Begin with Oxygen-Poor

question 57

Multiple Choice

In regard to blood circulation, if you begin with oxygen-poor blood that reaches the heart from the body and is pumped through arteries to capillaries of the lungs, then determine the order for the following: 1. In capillaries of the body, nutrients and oxygen move from the blood to body tissues.
2) Oxygen-rich blood returns to the heart from the lungs by veins.
3) In capillaries of the lungs, oxygen from inhaled air is picked up by the blood and carbon dioxide is released into the lungs and exhaled.
4) Oxygen-rich blood is pumped out of the heart into arteries leading to the body.

• A) 1 → 3 → 4 → 2
• B) 4 → 2 → 1 → 3
• C) 3 → 2 → 4 → 1
• D) 2 → 3 → 1 → 4

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Definitions:

Blinking

A rapid opening and closing of the eyelids which helps to spread tears across and remove irritants from the surface of the cornea and conjunctiva.

Squinting

The partial closing of one's eyes to improve focus or reduce light exposure, or a misalignment of the eyes where they do not aim simultaneously at the same point.

Ear Ossicles

Three small bones in the middle ear known as the malleus, incus, and stapes, which transmit sound vibrations to the inner ear.

Perilymph

A fluid in the inner ear. When this fluid moves, it activates hearing and equilibrium receptors.