physical growth changes

Question 1

brain maturation

Answer 1

75 at 2 and 95 at 6
Myelination and the development of dendrites continues to occur in the cortex and as it does, we see a corresponding change in what the child is capable of doing.

Question 2

when is brain reaches its adult size?

Answer 2

7 years

Question 3

part of the brain that is still developing during adolescence.

Answer 3

frontal lobe which is responsible for judgment, impulse control, and planning, and it is still maturing into early adulthood.

Question 4

physiological peak

Answer 4

early adulthood
people on their 20 and 30

Question 5

main causes of death in early adulthood

Answer 5

nonintentional injury (including motor vehicle accidents), homicide,
suicide.
Cancer and
heart disease

Question 6

when does Autoimmune disease such as rheumatoid arthritis often starts?

Answer 6

50s

Question 7

WHO new criterion of age

Answer 7

0-17 → Underage
18-65 → Youth/Young people
66-79 → Middle-aged
80-99 → Elderly/Senior
100+ → Long-lived elders

Question 8

sarcopenia

Answer 8

Sarcopenia refers to the loss of lean body mass with aging.
 Suggested criteria for diagnosis includes:
=the presence of a lower muscle mass
=the presence of muscle weakness and/or impaired muscle
performance (slow walking speed).