Study your flashcards anywhere!

Download the official Cram app for free >

  • Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

How to study your flashcards.

Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key

Up/Down arrow keys: Flip the card between the front and back.down keyup key

H key: Show hint (3rd side).h key

A key: Read text to speech.a key

image

Play button

image

Play button

image

Progress

1/31

Click to flip

31 Cards in this Set

  • Front
  • Back
Organs are
tissues performing a similar job
Genes are tiny protein molecules that
control hereditary characteristics
During the first 18 months of life, a baby
triples his or her weight
Which of the following is usually true of teen mothers?
many soon have a second child
A fertilized egg is called
a zygote
The use of sound waves to get a picture of a fetus is
ultrasound
The approximate number of American teenagers who gave birth during 1990 was
600,000
The afterbirth
is a final cantraction following delivery of the baby --or--
is the delivery of the placenta
A cluster of cells with a hollow space is a zygote.
False
Twins who look alike are
identical
The umbilical cord connects the embryo to
the placenta
During pregnancy, medicines should be taken only with a doctor's approval.
True
Fraternal twins have different fathers.
False
Two brown-eyed perents can have a blue-eyed baby.
true
Heredity is the passing of characteristics from parents to offspring.
True
Typical human blood cells have 46 chromosomes.
True
Your growth and development are affected by heredity, environment, and personal choices.
True
Children experience the fastest growth period of their live between the ages of 2 and 3 years.
False
The DNA Molecule resembles a spiral staircase.
True
Accepting a child's needs to do things on his or her own helps develop autonomy.
True
tissue
cells with similar structure and job
blastocyst
cluster of cells with hollow center
Transfers oxygen and nutrients
Placenta
Contractions of uterus
labor
Results from drinking while pregnant
Fetal alcohol syndrome
Muscular neck of uterus
Cervix
Control hereditary characteristics
Genes
Result from same ege
Identical twins
Confidence in self-control
autonomy
What are the four stages of childhood. Briefly describe each stage.
baby
adolesant
pre teen
teenager
How can a teen parent help a child master the development tasks learned in each stagef childhood?
to be answered later