Growth

• Growth is an increase of size and mass
• Cell differentiation is process of a cell changing to be specialised to its job
• Plants grow through cell enlongation, plant expands and becomes bigger
• Animals grow rapidly young through fast cell division
• animals reach full growth and stop growing
• when animals become adults, cell division is mainly for repair
• cell division is for repair, growth and asexual reproduction
• In animals, cell differentiation is lost at a young age
• Plants grow in height due to elongation
• In plants, cell division only happens in tips of roots and shoots
• Plants continue to grow and differentiate and develop new parts throughout entire life
• The rate of mitosis is controlled by genes in DNA
• Genes can be known as chemical instructions
• Uncontrollable cell division can be caused by change in gene that controls cell division
• Percentile charts are used to asses a child’s growth over time
• Percentile charts make it easier to spot a problem throughout a child’s over all growth
• Problems that can be spotted: obesity, malnutrition and dwarfism
• Three main measurements will be made on baby: length, mass and head circumference
• Percentile charts show an average around multiple babies, helps to see if a baby is bellow or over average