The Beginning of Menstruation Is Known as _____________

question 334

Multiple Choice

The beginning of menstruation is known as _____________.

• A)menarche
• B)menopause
• C)meningorrhagia
• D)climacteric

---

Definitions:

Lenticels

Small, corky areas on the stems and roots of plants that allow for gas exchange with the surrounding air.

Gas Exchange

The process by which organisms exchange gases with their environment, including the uptake of oxygen and the release of carbon dioxide.

Periderm

is the protective outer secondary layer of bark in woody plants and trees, comprising the phellem, phellogen, and phelloderm.

Sapwood

The outer, younger part of a tree's trunk or branch that is active in transporting water and minerals from the roots to the leaves.