Even Though a Hydra Only Has a Nerve Net,not a Central

question 19

Multiple Choice

Even though a hydra only has a nerve net,not a central nervous system,it still has

• A) synapses.
• B) gray matter.
• C) white matter.
• D) an autonomic nervous system.
• E) the same neurotransmitters as humans.

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Definitions:

Completely Immobile

A state in which an individual is totally unable to move or adjust position by themselves.

Single-system Involvement

A condition or disease affecting only one organ or system within the body, as opposed to multiple systems.

Multisystem Problems

Health issues that affect multiple body systems simultaneously.

Prone Position

A body position where one lies flat with the chest down and the back up, often used in medical treatment or exercises.