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Science revision 2

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  • In which trimester the baby's eyes may be able to see light filtering in through the womb.
    Third trimester
  • What are hormones?
    Hormones are your body's chemical messengers. They travel in your bloodstream to tissues or organs.
  • In which trimester the baby's genitals are developed
    Second trimester
  • There are many birth control options available for........
    pregnancy prevention, avoiding sexually transmitted diseases, and managing monthly cycles and hormones
  • In which trimester the baby's muscles and lungs are continuing to mature
    Third trimester
  • How is it possible to have twins?
    Twins can occur either when two separate eggs become fertilized in the womb or when a single fertilized egg splits into two embryos.
  • How can HIV be transmitted?
    Only certain bodily fluids can transmit the virus: semen, pre-seminal fluid, blood, rectal fluid, vaginal fluid and breast milk.
  • In which trimester the baby may be able to hear you
    Second trimester
  • How many trimesters is pregnancy divided into?
    Three
  • Why can a baby be boy or girl?
    Biological sex in healthy humans is determined by the presence of the sex chromosomes in the genetic code: two X chromosomes (XX) makes a girl, whereas an X and
  • In which trimester do the egg and sperm meet?
    First trimester
  • What is the placenta?
    The placenta is an organ that develops in your uterus during pregnancy. This structure provides oxygen and nutrients to the baby
  • How does puberty start?
    The glands release hormones into the blood. Once released, hormones travel throughout the body looking for target cells that contain matching receptors.
  • What is the pill?
    Oral contraceptives are hormones in pill form. They are taken daily to prevent pregnancy by stopping the ovaries from releasing an egg
  • In which trimester the baby's skeleton is changing from soft cartilage to bone
    Second trimester
  • In which trimester the baby's nose, mouth, and ears are beginning to take shape
    First trimester
  • In which trimester the baby may have hiccups
    Second trimester
  • Can HIV be transmitted through saliva, sweat or tears, and cannot be spread by mosquitoes, social contact, touch or sharing food with somebody who has HIV?
    NO!