chapter 6 child - Physical Development 1. Typical pattern...

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1. Typical pattern of height and weight from infancy to late teens a. 4-6 mo: weight doubles b. 8 mo to 1 yr: weight triples c. 2 yr – puberty: 2 to 3 inches and 6 to 7 pounds every year d. Puberty: 10 to 15 pounds and 2 to 4 inches 2. C/P physical development trends, typical pattern of growth a. Top down and center out b. Hand and feet grow rapidly and are the first body parts to reach adult size followed by the arms, legs and trunk 3. Skeletal and muscular development a. Skeletal development i. Skull closes around 2 yr ii. 2 – 6 yr 45 new bone growth iii. Cartiledge turns to bone iv. Girls develop faster v. Skull and hands first to mature vi. Thickness of bones increases throughout lives b. Muscle development i. Born with all muscle fibers ii. Growth requires protein and salt iii. Accelerate and fully develop during adolescence iv. 24% female; 40% male 4. Brain and nervous system a. Neural changes i. Neural plate development 1. embryotic cell layers a. ectoderm: skin hair nails b. Mesoderm: connective tissue organs bone marrow c. Endoderm: digestive lungs glands 2. Neural grove a. Cells start to bunch up then closure to become spinal cord ii. Neural tube development 1. Cerebral ventricles a. Both sides create spinal fluid 2. spinal canal a. house spinal cord 3. Forebrain a. Cerebrum, hypothalamus, thalamus, limbic system 4. Midbrain a. Brain stem, substansia nibra
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chapter 6 child - Physical Development 1. Typical pattern...

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