sex Flashcards
what part of the brain controls sex drives?
hypothalamus
who was the first person to take a look in depth at sexual behavior
kinsley
what happens in the sex stage excitement?
blood flow changes to genitals, increase tension, erection, and it can happen just psychological
what happens in the plateau stage?
excitment is consistent, testes swell and release semen
what happens when you orgasm?
sudden discharge of sexual tension, involuntary muscle contractions, for women- contractions other places too, you can have a ejaculation and not orgasm and vice versa
what happens in the resolution stage?
body goes to non aroused state, men-refaftory period, after ejac. men cant orgasm,
what causes us to develop like we do?
nature VS. nurture
what happens in the germinal development stage?
conception to 2 weeks old, zygote egg, glob of cells
explain the embryonic stage
arms, legs, tail develop, most susceptible to birth defects, 2 out of 5 people miscarry
explain the fetal stage
starts when bone cells are forming and ends with birth, age of viability
what are major prenatal risks
mothers blood cells dont transfer, baby gives waste through cracks in blood vessels, blood vessels are to close to block bacteria
what bacteria can get through the placenta
gas, viruses, nicotine, and alcohol
what is german measles or Rubella
3 or 4 week developing, 50% chance of blind, death, heart problems or mental illness
what is MR (mentally retarded)
earliest name was called idiot, mentally challenged
describe the effects of nicotine in a baby
irregular heartbeat, low birth weight, lung problems, ADHD, when smoking with baby it doubles the chance of pneumonia, bronchitis, and heart disease