Heart, Lungs & Diaphragm Review

Match the following heart parts with their function:

The primary function of the ______ is to facilitate gas exchange, absorbing and releasing ______.

The ______ is a muscle located below the lungs that plays a crucial role in breathing.

During ______, the diaphragm ______ to increase the space in the chest cavity, allowing air to flow into the lungs.

When you breathe out during ______, the diaphragm ______, forcing air out of the lungs.

Tiny air sacs in the lungs called ______ are crucial for exchanging gases with the bloodstream.

The movement of the ______ helps protect the lungs and also aids in the breathing process.

To bring in more air, the lungs ______ as the diaphragm moves downward.

The expulsion of air during breathing involves the lungs and the ______ returning to their normal size.

[Blank] is the process of taking air into the lungs, while ______ is the process of expelling air out.

The exchange of ______ and ______ occurs in the alveoli during the breathing process.

What is the SA node commonly referred to as, and why is it important?

Where is the SA node located in the heart?

What type of signals does the SA node generate to regulate the heartbeat?

After the SA node generates an impulse, where does the electrical signal first spread?

What happens to the atria when they receive the electrical impulse from the SA node?

After the right atria contract, where does the electrical signal travel next?

Why does the AV node delay the signal before sending it to the ventricles?

What happens in the ventricles after they receive the electrical impulse?

How does the SA node regulate heart rate under normal conditions?

What can occur if the SA node does not function properly?

A heart attack occurs when ______ to a part of the heart is blocked.

The blockage is often caused by a buildup of ______ in the coronary arteries.

One of the most common symptoms of a heart attack is ______ or discomfort.

Women may experience ______ symptoms such as unusual fatigue or indigestion-like pain.

A heart attack can lead to permanent damage or even ______ of heart tissue.

Energy drinks can increase the risk of a heart attack by raising ______ and blood pressure.

Stimulants in energy drinks can cause the coronary arteries to ______, reducing blood flow.

Energy drinks also increase the risk of ______, which can block blood flow in the arteries.

What are three harmful chemicals found in cigarette smoke that negatively impact the heart?

How does nicotine affect heart rate and blood pressure?

What does carbon monoxide do to the body's oxygen supply?

How does cigarette smoke damage the lining of arteries?

Why does smoking increase the risk of blood clots?

What are the long-term risks of smoking on heart health?

How does vaping impact blood vessels differently than smoking?

What is atherosclerosis, and how does vaping contribute to it?

What are free radicals, and how do they affect heart and lung tissues?

Why is Vitamin E acetate considered dangerous when inhaled?

What chemical in cigarette smoke binds to hemoglobin and reduces oxygen supply to the body?

Why does smoking increase the risk of atherosclerosis?

What is the primary reason why cigarette smoke has a strong, lingering odor?

How does vaping differ from smoking in terms of chemical exposure?

What toxic byproducts are released when vape liquids are heated?

Why is the smell of vaping less noticeable than cigarette smoke?

What is the main reason vaping aerosols do not linger on clothes and furniture?

True or false: Aerosols from vapes are harmless.

Describe the effect of vaping on heart and blood vessels

How does vaping affect one's arteries?

What condition is linked to vaping that involves serious lung damage and difficulty breathing?

Why do energy drinks increase the risk of heart attacks?

Why does Vitamin E acetate make vaping uniquely dangerous?

What are two key differences in nicotine exposure between smoking and vaping?