In an Open Circulatory System

question 236

Multiple Choice

In an open circulatory system,

• A) there is no heart.
• B) there is a gastrovascular cavity.
• C) there are no blood vessels.
• D) hemolymph flows out of the body.
• E) there is no distinction between hemolymph and extracellular fluid.

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Definitions:

Primary Somatosensory Area

A region of the cerebral cortex involved in the processing of sensory information from the body.

Fingers and Hand

The terminal part of the human arm consisting of the palm and five digits, crucial for various functions like grasping, manipulating objects, and sensing.

Sensory Information

Data received through the senses, such as sight, hearing, smell, taste, and touch, which is then processed by the brain.

Refractory Period

A period immediately following an action potential during which a nerve or muscle is incapable of generating another action potential.