For Which Conditions Should You Call 9 - 1 -

question 21

Multiple Choice

For which conditions should you call 9 - 1 - 1?

• A)Headache
• B)Vomiting
• C)Not breathing or difficulty breathing
• D)None of the above

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Definitions:

Lignin

A complex organic polymer found in the cell walls of many plants, making them rigid and woody, and contributing to their structural support.

Meristem

A region in plants where cell division occurs, leading to growth and development.

Plasmodesmata

In plants, cytoplasmic connections in the cell wall that connect two adjacent cells.

Protoderm

The outermost layer of cells in the early embryo of plants, which develops into the epidermis.