Sofia Gets Hit in the Head by a Fly Ball

question 46

Multiple Choice

Sofia gets hit in the head by a fly ball.What chemicals are released by her body in response to the pain of her head injury?

• A)neurotransmitters
• B)endorphins
• C)prostaglandins
• D)enkephalins

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Definitions:

Exocytosis

A cellular process in which substances are expelled from a cell through the fusion of vesicles with the plasma membrane.

Active Transport

The energy-dependent process of moving molecules across a cell membrane against their concentration gradient, often involving specific transport proteins.

Endocytosis

A process by which cells absorb external material by engulfing it with their cell membrane.

Vesicle Formation

The process of creating small, membrane-bound sacs within cells, used for transporting substances within the cell or releasing them outside.