Place These Structures in the Order That Blood Returning to the Heart

question 38

Multiple Choice

Place these structures in the order that blood returning to the heart from the body would pass through them.
1) right ventricle
2) left atrium
3) right atrium
4) pulmonary artery
5) left ventricle
6) pulmonary vein

• A) 4, 2, 5, 6, 3, 1
• B) 2, 5, 6, 4, 3, 1
• C) 3, 1, 4, 6, 2, 5
• D) 1, 3, 6, 4, 5, 2
• E) 3, 2, 4, 6, 1, 5

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Definitions:

Pathogens

Agents, usually microorganisms such as bacteria, viruses, or fungi, that cause disease in their host organisms.

Antibiotic Resistance

A phenomenon where bacteria evolve and become resistant to the effects of antibiotics, rendering treatments less effective.

Antibiotics

Substances used to kill or inhibit the growth of bacteria, thereby treating bacterial infections.

Evolution

The way in which different species of living entities are thought to have evolved and diversified from ancient forms during Earth's historical timeline.