§5 Preschool Child Nutrition Prof. Dr. Jin BQ NJNU
§5 Preschool Child Nutrition Prof. Dr. Jin BQ NJNU
Preshool child: 3-5(6) years old p188-190 1 Physiological property 1.1Body Gain: Continuous faster growth But slower than 0-3old • Boy> girl in this period • BW > 2-3kg/year • BH > 5-8cm/year • Head in body: 1/6 • Arm & leg: getting longer Muscular increase with bone calcified
Preshool child: 3-5(6) years old p188-190 1 Physiological property 1.1Body Gain: Continuous faster growth But slower than 0-3old • Boy> girl in this period • BW > 2-3kg/year • BH > 5-8cm/year • Head in body: 1/6 • Arm & leg: getting longer Muscular increase with bone calcified
1.2 Child’s Body Composition H2O Protein (14.6%) Fat Mineral Bone is soft & ossein more lessCa & easy to be bent
1.2 Child’s Body Composition H2O Protein (14.6%) Fat Mineral Bone is soft & ossein more lessCa & easy to be bent
1.3 Degestive system ⚫Teeth: Replacing period milk tooth left(54) secondary dentition(7/84) ⚫Gut: Developing & growing thiner gut wall slower crawl lower enzyme activity sensitive taste 1.4 Urological system (Kidney) Concentration & dilution weakling
1.3 Degestive system ⚫Teeth: Replacing period milk tooth left(54) secondary dentition(7/84) ⚫Gut: Developing & growing thiner gut wall slower crawl lower enzyme activity sensitive taste 1.4 Urological system (Kidney) Concentration & dilution weakling
1.5 Cardiac-vessel: weaking fewer blood & RBC Anemia (Fe) 1.6 Brain-nervous: faster developing 3y-old: 1000-1080g 6y-old: 1250-1305g up to 90-93% in adult 大脑皮层比较脆弱, 兴奋过度会引起疲劳； 兴奋与抑制不平衡，兴奋大于抑制
1.5 Cardiac-vessel: weaking fewer blood & RBC Anemia (Fe) 1.6 Brain-nervous: faster developing 3y-old: 1000-1080g 6y-old: 1250-1305g up to 90-93% in adult 大脑皮层比较脆弱, 兴奋过度会引起疲劳； 兴奋与抑制不平衡，兴奋大于抑制