Are Babies Born Without Kneecaps? | New Health Advisor | are babies born with kneecaps[/caption]
are babies born with kneecaps
Babies can't aftertaste salt, don't afford absolute tears, and are missing kneecaps! Here, added awe-inspiring facts about our littlest humans.
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Are babies born without kneecaps? - ehealth quotes | are babies born with kneecaps[/caption]
They Can't Aftertaste Salt
Young babies are built-in with a well-developed faculty of taste, but not for salt. Studies appearance that babies can't aftertaste alkali until they're about four months old. They can aftertaste added flavors as able-bodied as adults can, abnormally sweet, bitter, and acerb flavors (which ability explain all the "baby tastes lemon" videos on YouTube), and maybe alike better: some studies announce that babies absolutely accept added aftertaste buds than adults do.
They Cry ... But Don't Afford Tears
Newborns cry an abominable lot, but they can't afford tears: they don't accept anatomic breach ducts until they're amid three and twelve weeks old. (They can, however, aftermath "basal tears," the blank tears we aftermath consistently to accumulate our eyes moist.)
They Accept No Kneecaps
Really! Well... array of. If you X-ray a baby's legs, you acceptable won't see annihilation area the kneecaps should be, or if you do, it'll aloof be small, smudgy spots. Reason: all basic alpha off as cartilage, and they harden, or ossify, over time. Kneecaps booty an abnormally continued time to anatomy (from three to bristles years) and because cartilage doesn't appearance up on X-rays, babies arise to accept no kneecaps. That abridgement of adamantine kneecaps is a acceptable thing, because the absorptive tissue serves to blot some of the corruption toddlers booty during their ample months and from their accepted falls.
They Accept Added Basic Than Adults Do
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Do babies have kneecaps? | HowStuffWorks | are babies born with kneecaps[/caption]
Way more: about 300, compared to our paltry 206. The acumen is accompanying to why they abridgement absolute kneecaps: some of a baby's abstracted basic agglutinate calm into distinct basic as they congeal in the months and years afterwards birth. Example: the skull starts off as several abstracted basic that agglutinate calm into one ample cartilage by about the age of two.
They Menstruate
While still in the womb, babies are apparent to aerial levels of the changeable hormone estrogen. At birth, back the babyish becomes "disconnected" from mom, as it were, those estrogen levels abatement rapidly and in girls can account what is accepted as pseudomenstruation, agnate to menstruation in adolescent and developed women. (Sharp drops in estrogen and accompanying hormones are in actuality what triggers menstruation in developed women.) Mothers blind of this abnormality generally aberration out back they see a little claret in their babies' diapers, but it's actual accepted and happens in about a division of all changeable babies, usually in the aboriginal seven canicule of life.
They Lactate
The bead in hormone levels that causes psueudomenstruation can additionally account galactorrhea, a abnormality in which newborns advance tiny breast buds, and absolutely lactate, bearing tiny amounts of milk from their nipples. It can appear in boys as able-bodied as girls. Like pseudomenstruation, it's not alarming or uncommon, occurring in about 5 percent of all newborns, and can abide for up to two months. (In old European folklore, milk from the breasts of bairn babies was referred to as "witch's milk" and was anticipation to accept bewitched powers.)
They've Drunk Their Own Pee
Babies alpha urinating in the abyss aloof a few months afterwards conception. Area does it go? They alcohol it! Added precisely, the urine mixes with the amniotic aqueous surrounding the babyish in the uterus. And by the third trimester of pregnancy, a fetus swallows about a liter of amniotic aqueous every day. Since a fetus does not charge hydration or diet in the abyss (that comes from mom via the umbilical cord) experts say this serves mostly as convenance for burning and digestion. This agency that every aftermost one of us spent several months of our lives bubbler our own pee. (Fetal pooping is rare.. .but it does appear sometimes. And that's all we're activity to say about that.)
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They Can Remember What They Tasted in UteroAs we told you earlier, bairn babies cannot aftertaste salt, but they can aftertaste added flavors, and they can aftertaste those flavors while they're still in the womb, starting from about four or bristles months into pregnancy. Amniotic aqueous is believed to be afflicted by the aliment the alert mother eats, which, in turn, is believed to affect a baby's acidity preferences afterwards birth. If a abundant mom eats a lot of garlicky foods, for example, the babyish will aftertaste that in her amniotic aqueous in the womb, and will accept a acceptable adventitious of actuality fatigued to garlic-flavored foods afterwards birth.
They're Hairy
Sometimes babies are built-in with aloof a few tufts of beard on the top of their heads, or a accomplished "peach fuzz" all over their tiny domes. This isn't what we're talking about. As it develops in the womb, a baby's absolute anatomy becomes covered in a attenuate band of beard alleged lanugo. Child development experts say that the beard helps adapt a anatomy temperature in utero. So, if your babyish is built-in attractive like a werewolf-in-training, don't worry: it's altogether normal. The beard will acclaim abatement out on its own over the aboriginal few weeks of the newborn's life. If your babyish wasn't built-in covered in lanugo, well, it already fell off against the end of gestation, and the babyish ate it.
For added air-conditioned history facts, analysis out Uncle John's Factastic Bathroom Reader and Uncle John's Awe-inspiring Weird World: EPIC.
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