Questions with the keyword 'amount'

• how much sleep is recomended for an adolesent by cciiaarraa and 2 others. to Sarah, Emma, Josie, Kristyn, Peter . Comments: (No comments so far)
• What is the longest an average pre-teen could stay awake without napping or sleeping by clawathenathree to Emma, Josie, Kristyn, Peter, Sarah . Comments: (No comments so far)
• can we over exercise? by jg2002 to Emma, Josie, Kristyn, Peter, Sarah . Comments: (No comments so far)
• How many brain cells do we have? by cookies and 1 other. to Emma, Josie, Kristyn, Peter, Sarah . Comments: (so far, 2 comments)
• how many nerves are in the brain by cciiaarraa to Kristyn . Comments: (No comments so far)