Since Most of the Trunk of a Tree Is Made

question 88

Multiple Choice

Since most of the trunk of a tree is made of xylem cells, it is safe to say that most of the tissue in a tree is:

• A)dividing rapidly.
• B)used for storage.
• C)manufacturing sugars.
• D)conducting sugars.
• E)dead.

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Definitions:

Demyelination

A pathological condition in which the myelin sheath covering nerve fibers is damaged, impairing the conduction of electrical signals in the nervous system.

Motor Pathways

Neural pathways that transmit impulses from the brain to control movements in the body.

Medulla

An area of the brainstem responsible for regulating vital functions, including breathing, heart rate, and blood pressure.

Heartbeat

The rhythmic contraction and expansion of the heart, which can be felt as a pulse, pumping blood through the circulatory system.