Cold and Flu Appointment Guide. Burning accompanied by redness around the outer ear and the skin around your ear can be indications of a serious infection that should prompt you to contact your health care provider right away.
You answered: Correct Answer: The average adult human brain has about 100 billion cells. Linked by synapses, each brain cell can connect to tens of thousands of other brain cells. It's still a mystery exactly how these connections work together to create all the marvels of our brains. Next.
The human brain has more than 100 billion neurons (nerve cells) which make up a complex communication system. This quiz tests your knowledge about these highly specialized cells in the nervous system, which allow us to feel pain, emotions, touch, and give us the ability to have memory.he human brain has more than 100 billion neurons (nerve cells) which make up a complex communication system. This quiz tests your knowledge about these highly specialized cells in the nervous system, which allow us to feel pain, emotions, touch, and give us the ability to have memory.