Interactions Between Systems Honors Biology Quick Check

Answers

Blood is taken to the lungs to become oxygenated and returned to the heart before being pumped through the body. Which blood vessels carry blood away from the heart?

answer:

arteries

Oxygen is taken into the body from the environment, and carbon dioxide is removed from the body and released into the environment. Which body system is responsible for exchanging gases with the environment?

answer:

respiratory system

A person sprints across a football field to make the touchdown. The person’s muscles use up most of the oxygen in the blood to accomplish this. Which response do you predict would happen because of this?

answer:

The pulse and breathing rate increases to provide more oxygen.

Atherosclerosis is a disease that involves the accumulation of fatty deposits on the inner walls of the arteries that causes them to harden over time. This prevents the arteries from expanding and contracting. Which statement best describes the effect would this have on the circulatory system?

answer:

This would reduce blood flow and prevent tissues from oxygenating.

A person has a disease that damages the lining of the small intestine, preventing this organ from performing its function. How would this affect the body?

answer:

This would prevent the body from obtaining the vitamins and nutrients it needs in order to perform properly.

all correct 100%

As per questions one and two, Oxygen is drawn from the air by the lungs, a part of the respiratory system. The pulmonary veins then carry the oxygenated blood to the heart (these are the only veins to carry oxygenated blood), which is then pumped throughout the body through arteries. The path followed by the oxygen is:

Oxygen is drawn into the lungs
The Pulmonary artery takes blood to the lungs
Hematosis occurs, transferring the oxygen to the blood
The pulmonary veins take the oxygenated blood to the heart
The aorta artery and its ramifications distribute the oxygenated blood throughout the body

In order to increase the amount of oxygen in times of greater need such as when exercising, the heart rate (pulse) and breathing rate increase to provide more oxygen, when an artery is blocked such is the case with Atherosclerosis, blood flow is reduced. Questions 3 and 4 are correct.

Lastly, a person's small intestine is lined with highly specialized cells whose function is to absorb the nutrients from the food we ingest. Damage to this lining would cause this organ to not be able to obtain the vitamins and nutrients needed for the human body. All answers are correct.

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