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 brain is one of the most complex and magnificent organs in the human body. Our brain gives us awareness of ourselves and of our environment, processing a constant stream of sensory data. It controls our muscle movements, the secretions of our glands, and even our breathing and internal temperature. Every creative thought, feeling, and plan is developed by our brain. The brainâs neurons record the memory of every event in our lives.