The Majority of Human Cancers Are

question 32

Multiple Choice

The majority of human cancers are

• A) carcinomas.
• B) sarcomas.
• C) lymphomas.
• D) leukemias.

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Definitions:

To Choke

To experience difficulty breathing because of a constricted or obstructed throat or lack of air.

Sinoatrial Node

The heart's natural pacemaker, a small, specialized cluster of cells located in the right atrium that regulates the heart’s electrical impulses and hence its beating.

Atrioventricular Node

A part of the cardiac conduction system that controls the heart rate by delaying the transmission of electrical impulses from the atria to the ventricles.

Bundle of His

A collection of heart muscle cells specialized for electrical conduction that transmits the electrical impulses from the AV node to the ventricles of the heart.