Will you be more ready than that when itâs time to talk to your daughter about her first period? That time may come sooner than you think. Although a girlâs first period usually occurs at about age 12, some girls experience their first period much earlier. And even before she gets her first period, your daughter will be noticing other changes in her body: Recent studies show that most girls start developing breast buds sometime between age 9 and 10.
A2 [ C ] the organ inside the head that controls thought, memory, feelings, and activity: Doctors tried desperately to reduce the swelling in her brain. The accident left him with permanent brain damage. His wife died from a brain tumour.
The definition of a brain is the mass of nerve tissue located in the head of animals with spinal cords; it is the center of thought and controls movement. An example of brain is what is damaged when someone has Alzheimer's disease. A brain is defined as a smart or intellectual person.