When do human deciduous teeth begin to develop in a fetus?
at five months
At what age are all deciduous teeth fully erupted?
about three years old
At what age do deciduous teeth start to fall out to be relaced by permanent teeth?
six or seven years old
At what age do first permanent molars erupt?
Second?
Third?
five or six years
12 years
variable; 18-80 or never
An event in the life cycle that includes rapid increase in stature, development of sex organs, and the development of secondary sexual characteristics.
puberty
A graph that shows the total height (or other measurement) of an individual on a series of dates.
distance curve
A rapid increase in stature and other dimantions of the body that occurs during puberty.
adolescent growth spurt
A curve that illustrates the velocity or rate of growth over time by plotting the degree of growth per unit of time.
velocity curve
Why do males grow larger than females?
long bones stop growing at puberty
male growth spurt come at a later age the f.
more time to grow
signs of male puberty (4)
enlargment of testes
change in color and texture of scrotum
enlargement of penis
growth of pubic hair
signs of female puberty (3)
breast bud
enlargemnt of areolar area
menarche
Menarche marks the development of full reproductive functions. True or False?
False.
represents a mature stage of development of the uterus
span of adverage menarche age?
group with lowest adverage age?
U.S. adverage age?
group with highest adverage age?
12.5-18.8
wealthy Chinese
12.8
Bundi (New Guinea)
male secondary sexual characteristics (2)
facial hair
growth of larynx
Physical feature other than the genitalia that distinguishes males from females after puberty.
secondary sexual characteristic
The study of measurements of the human body.
anthropometry
A measurement of the width of the sholders.
bicromial width
a measurement of the width of the hips
bitrochanteric width
The fat deposited under the skin
subcutaneous fat
Organs that produce hormones
endocrine glands
Complex moleculge produces by the endocrine glands that regulate many bodily functions and processes.
hormones
A hormone produced by the pituitary gland; essential for normal growth.
growth hormone
A male sex hormone
testosterone
Hormone produced in the ovaries
estrogen
three things that control nature and rates of growth and delvelopment
endocrine glands
nutrition
heredity
A class of malnutrition that includes kwashiorkor and marasmus
protein-caloric malnutrition
A form of protein-caloric malnutrition brought about by a protein-deficent diet that contains a reasonable supply of low-quality carbohydrates.
kwashiorkor
A form of protein-caloric malnutrition caused by a diet deficent in both protein and carbohydrates.