4.1 According to the graph, at which age is the amount of growth hormone produced at its highest?
4.2 Why do you think the levels produced at this age are so high?
5 Between which two age groups does the release of growth hormone decrease the quickest?
4.1 According to the graph, the amount of growth hormone is produced at its highest at the age of 15.
4.2 The levels produced at this age are high due to the onset of puberty. Puberty is a stage of rapid growth and development, and growth hormone plays a crucial role in promoting bone growth, muscle development, and overall growth during this period.
5 The release of growth hormone decreases the quickest between the age groups of 20-25 and 25-30, as shown by the steepest decline in the graph.