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Directions: Answer using complete sentences! Use the information you have been given to answer questions about: Development of the Brain and Brain Damage
Level#1
The human brain begins developing as early as two weeks into a woman’s pregnancy. It begins as a tube made of nerve cells. By about the fifth week of pregnancy, this tube of cells has become bigger, rounder, and more complex. It eventually turns into a small brain. As the fetus, or unborn baby, develops, the brain continues to grow and develop. The brain is considered fully formed by about the fourth month of pregnancy. Any harmful substances that the mother takes into her body can damage the developing brain of the fetus.
1. When during the pregnancy is the brain considered to be fully formed?
2. What does the brain begin as and what happens by about the fifth week of pregnancy?
3. What can cause the brain of the fetus to become damage?
Level#2
The human brain begins developing as early as two weeks into a woman’s pregnancy. It begins as a tube made of nerve cells. By about the fifth week of pregnancy, this tube of cells has become bigger, rounder, and more complex. It eventually turns into a small brain. As the fetus, or unborn baby, develops, the brain continues to grow and develop. The brain is considered fully formed by about the fourth month of pregnancy. Any harmful substances that the mother takes into her body can damage the developing brain of the fetus. Because the brain controls so many functions, damage to the brain can cause serious health problems. Brain damage can impair many human functions, such as motor skills, muscle control, speech, and powers of reasoning, learning, and thinking.
1. What can cause damage to the developing brain of the fetus?
2. What can be a cause of serious health problems in the fetus?
3. What are some affects of brain damage to a developing fetus?
Level#3
The human brain begins developing as early as two weeks into a woman’s pregnancy. It begins as a tube made of nerve cells. By about the fifth week of pregnancy, this tube of cells has become bigger, rounder, and more complex. It eventually turns into a small brain. As the fetus, or unborn baby, develops, the brain continues to grow and develop. The brain is considered fully formed by about the fourth month of pregnancy. Any harmful substances that the mother takes into her body can damage the developing brain of the fetus. Because the brain controls so many functions, damage to the brain can cause serious health problems. Brain damage can impair many human functions, such as motor skills, muscle control, speech, and powers of reasoning, learning, and thinking. When young people suffer brain damage, it is usually due to accidents. Brain tumors and infectious diseases can also be very damaging or even deadly. Not all tumors are cancerous. Tumors that are cancerous can sometimes be treated with surgery and drugs. Meningitis and chorea are two infectious diseases that attack the brain.
1. Explain what the cause of brain damage is usually due to.
2. Explain how cancerous tumors of the brain can be treated.
3. What two infectious diseases can attack the brain?
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