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.
What is the brain? The brain is the control centre for your body and it sits in your skull at the top of your spinal cord. The brain has three main parts. The cerebellum (say se-re-bell-um). The cerebrum (say se-re-brum), which has two parts, the left and right cerebral hemispheres, (say se-re-brell hem-iss-fears). The brain stem, that controls a lot of the 'automatic' actions of your body such as breathing and heart beat, and links the brain to the spinal cord and the rest of the body.