Question

question 1
5 pts
how does childrens posture change during the period from four to six? (13 - 1)

question 2
5 pts
what purpose do the firs permanent teeth, the molars, serve? (13 - 1)

question 3
5 pts
why do some children continue to suck their thumbs? when does

Explanation:

Question 1 (Children's Posture Change 4 - 6)

In early childhood (4 - 6), postural development advances. Muscles strengthen, so children stand taller, with better alignment (e.g., less slouching). Balance improves for activities like running/jumping. Posture becomes more stable as gross motor skills mature, and the spine’s curves (cervical, lumbar) develop further for upright support.

First permanent molars (6 - year molars) erupt around age 6. They serve to chew (masticate) food—grinding/crushing tough foods (e.g., vegetables, grains) to aid digestion. They also maintain jaw space for other permanent teeth to erupt properly and guide bite alignment (occlusion) as the jaw grows.

Some children continue thumb - sucking due to comfort (soothing anxiety/stress), habit (from infancy, as a self - soothing mechanism), or lack of alternative coping strategies. Thumb - sucking often decreases by age 4 - 6 as children develop self - regulation, find other comfort sources (e.g., toys, routines), or face social pressure (peer/parental feedback). If it persists past 5 - 6, it may relate to unresolved anxiety or lack of intervention.

Answer:

From 4 to 6, children’s posture becomes more upright/stable: stronger muscles reduce slouching, spine curves (cervical/lumbar) develop for better alignment, and improved balance supports active movement (e.g., running, sitting upright).

Question 2 (Purpose of First Permanent Molars)