Chapter 4

Question 1

procimodistal

Answer 1

from close in to farther out

mature from center of body to extremities

Question 2

cephalocaudal

Answer 2

head to foot growth

Question 3

when does fat start to form

Answer 3

at end of fetal period

Question 4

how much of growth hormone secreted while kids sleep

Answer 4

80%

Question 5

where is growth hormone secreted from

Answer 5

pituitary gland

Question 6

spermarche

Answer 6

first spontaneous ejaculation of sperm laden fluid

Question 7

when does spermarche occur

Answer 7

at age 13

Question 8

menarche

Answer 8

start of period

Question 9

when does menarche occur

Answer 9

13

Question 10

whos more susceptible to osteoporosis

Answer 10

women

Question 11

myelin

Answer 11

allows axon to transmit information faster

Question 12

axon

Answer 12

sends information to others

Question 13

dendrite

Answer 13

allows one neuron to receive info from others

Question 14

terminal buttons

Answer 14

release neurotransmitters

Question 15

synapse

Answer 15

gap between neurons

Question 16

what does left hemisphere focus on

Answer 16

reason and language

Question 17

what does right hemisphere focus on

Answer 17

art, music, perception, recognizing faces/emotions

Question 18

when is neural plate formed

Answer 18

after 3 weeks of conception

Question 19

synaptic pruning

Answer 19

synapses start to disappear

Question 20

what types of brains have more plasticity

Answer 20

immature brains that lack specialization