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22 Cards in this Set
- Front
- Back
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which kind of sperm make it all the way
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the strongest
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how do sperms become stronger
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coffee
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what is the smallest cell in the males body
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sperm
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largest cell in woman's body
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ovum
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when do you find out the gender of child
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begining of 2nd trimester
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who is the sex of the child determined by
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father
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what is the first organ to be formed
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the heart
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how many heart beats do we as humans have in our life time
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3 billion
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95% of our DNA matches that of what
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Chimpanze
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what is the purpose of the placenta
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provides nutrients when filtering out waste (life support)
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at 5 months what has the fetus developed
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fingerprints
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what nees to happen for eye color to change
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needs to be exposed to light
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what gene is responsible for eye color
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no gene is responsible, several are
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when is hearing most developed
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at 3 months
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why is the mothers voice the most familiar to baby
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bc they are the closet to baby and bc it travels thru fluid
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what percent do babies spend sleeping
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90%
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what percent do babies spend being alert
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10%
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what happens if the mothers stress level raises
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possible low birth rate, premature, high BP, cause stress in baby
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what percent of babies are born are their due date
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5%
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what is the last organ to mature
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lungs
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what helps detemine timing of baby
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lungs and placenta
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when do the fetuses open their eyes
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18-26 weeks
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