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marchand5892

How does the normal heart work? - 0 views

www.heartfailurematters.org/...How-does-the-normal-heart-work

Normal Heart

shared by marchand5892 on 31 Oct 14 - No Cached
  • Your heart is a specialised muscle that pumps blood around your body. Blood carries oxygen and nourishment to all parts of your body and carries waste products to several organs, notably your lungs and kidneys to eliminate. Your heart is divided into two pumps which work together. Blood coming back from the organs and tissues of your body enters the right side of your heart which then pumps it to your lungs. Your lungs remove waste carbon dioxide from the blood and recharge it with oxygen. The oxygen-rich blood returning from your lungs enters the left side of your heart, which then pumps it to all parts of your body, including your heart muscle itself. This process ensures that there is always enough oxygen and nourishment for your body to work efficiently.
  • t is a specialised muscle that pumps blood around your body. Blood carries oxygen and nourishment to all parts of your body and carries waste products to seve
  • Your heart is a specialised muscle that pumps blood around your body. Blood carries oxygen and nourishment to all parts of your body and carries waste products to several organs, notably your lungs and kidneys to eliminate.
  • ...1 more annotation...
    • marchand5892
      marchand5892 on 04 Nov 14
       
      Everyone's heart is a special muscle, that "pumps around your body" and pumps blood out." The blood gets pushed and picks up the oxygen and the the blood travels through your body and drops the oxygen for the heart to circulate  
trevino5824

Nightmares | Psychology Today - 0 views

www.psychologytoday.com/...nightmares

nightmare science

shared by trevino5824 on 31 Oct 14 - No Cached
  • Most nightmares may be a normal reaction to stress, and some clinicians believe they aid people in working through traumatic events.
    • trevino5824
      trevino5824 on 04 Nov 14
       
      On nightmares you have strees because you wake up and then you cannot sleep and you have diffrent traumatic event
  • A nightmare is a dream occurring during rapid eye movement
Isabel Herrera

FYI: Why Does Some Food Taste Bad To Some People And Good To Others? | Popular Science - 1 views

www.popsci.com/...ad-some-people-and-good-others

popular science taste

shared by Isabel Herrera on 04 Nov 14 - No Cached
  • ARE YOU A SUPERTASTER? To find out, put blue food coloring on your tongue. Blue dye doesn't stick to taste papillae, so if your tongue doesn't get very blue, you're probably a supertaster. The bluer it gets, the greater the chance you are a subtaster. More hot sauce!
    • Isabel Herrera
      Isabel Herrera on 04 Nov 14
       
      If you want to find out if you're a super taster, then simply put food coloring on you tongue. Let's say you put blue food coloring on you're tongue. Blue coloring does not stick to your papillae so if your tongue doesn't get very blue, then you're a super taster but if your tongue gets very blue the you're a sub taster.
  • People who have a lot of papillae—the bumps on our tongue, most of which house our taste buds—often find flavors overwhelming. They're "supertasters," and as such they add cream to their coffee and order food mild instead of spicy. Subtasters, on the other hand, have low papillae density and prefer their chicken wings "atomic."
    • Isabel Herrera
      Isabel Herrera on 04 Nov 14
       
      People who have a lot of papillae normally finds flavors to be a little bit to much, that shows that you're a super taster. But when you're a sub taster you have a very low amount of papillae.  
  • Most toxic plants taste bitter, and nomadic groups that came into contact with a variety of plants would have, over time, developed a variety of receptors. People from malaria-infested parts of the world tend to carry a gene that makes them less sensitive to some bitter compounds, specifically those that contain cyanide.
    • Isabel Herrera
      Isabel Herrera on 05 Nov 14
       
      People in the past, usually get to the point to eat poisonous food. But how will they know if it's poisonous??? Well once they taste it, they will find the taste very bitter. That would usually tell them that it's toxic.
lobo5879

Nightmares - 0 views

kidshealth.org/...nightmare.html

shared by lobo5879 on 06 Nov 14 - No Cached
  • Nightmares — like most dreams — occur during the stage of sleep when the brain is very active and sorting through experiences and new information for learning and memory. The vivid images the brain is processing can seem as real as the emotions they might trigger. This part of sleep is known as the rapid eye movement or REM stage because the eyes are rapidly moving beneath closed eyelids. Nightmares tend to happen during the second half of a night's sleep, when REM intervals are longer. When kids awaken from a nightmare, its images are still fresh and can seem real. So it's natural for them to feel afraid and upset and to call out to a parent for comfort. By about preschool age, kids begin to understand that a nightmare is only a dream — and that what's happening isn't real and can't hurt them. But knowing that doesn't prevent them from feeling scared. Even older kids feel frightened when they awaken from a nightmare and may need your reassurance and comfort.
    • lobo5879
      lobo5879 on 06 Nov 14
       
      we have nightmares becuse our brain was active that day and that hapens during the stage of REM (rapid eye movment) when people wake up and remember their nightmare it is normal to be scared. People start realizing  by the age of prescho lthat a nightmare is just a dream and that it will not hurt them and that it dosent mean somthing will hapen to them.
Regina Cantu

Why Do People Get Bullied - 0 views

nobullying.com/why-do-people-get-bullied

Bullying

shared by Regina Cantu on 03 Mar 15 - No Cached
  • One of the most common reasons for bullying is image. Anyone who looks the least bit different from what is considered to be normal will likely face bullying at some point in his life. Kids with freckles, acne, moles, buck teeth and other physical differences will be targeted by bullies.
  • Kids who go out of their way to sit in the front of the class, answer the teacher’s questions and do well on exams are also convenient targets because they are considered to be “nerds”.
  • Kids who don’t have the same style of clothing as their peers are often the targets of bullies.
  • ...12 more annotations...
  • Students from families that can’t afford to buy the latest fashions (or even high quality clothes) might endure bullying.
  • Those are are picked on for their lack of trendy clothing will often come home in tears and ask mom and dad, “Why do people get bullied?”.
  • This is a big reason why many parents choose to enroll their kids in private schools that have a strictly enforced dress code.
  • The private school’s required uniform makes life much easier for students from families without the economic means to purchase the latest fashions.
  • . It is usually the kids from wealthier families and neighborhoods that gang up on the kids from poor backgrounds.
  • Kids from wealthy families sometimes look down upon those from lesser means. The media socializes young people to act this way. Having money and possessions is considered to be “cool”.
  • Bullies pick on kids with disabilities because they are considered to be weak and inferior.
  • This is one of the more brutal forms of bullying because children with disabilities are often completely defenseless against aggressors.
  • Even kids with learning disabilities are targeted by bullies for being different.
  • If their fellow students see them getting extra time to complete exams or getting more attention from the teacher, they’ll be viewed as different and be targeted.
  • “four eyes”
  • “geeks”.
touche5839

Sleepwalking - 2 views

kidshealth.org/...sleepwalking.html

sleepwalking kids

shared by touche5839 on 31 Oct 14 - No Cached
  • We experience some deep, quiet sleep and some active sleep, which is when dreams happen. You might think sleepwalking would happen during active sleep, but a person isn't physically active during active sleep. Sleepwalking usually happens in the first few hours of sleep in the stage called slow-wave or deep sleep.
  • Sleepwalking may run in families and sometimes occurs when a person is sick, has a fever, is not getting enough sleep, or is stressed.
    • touche5839
      touche5839 on 04 Nov 14
       
      A person isn't really awake during energetic sleep. Sleepwalking normally starts after one or two hours after you go to bed.
  • ...6 more annotations...
    • touche5839
      touche5839 on 04 Nov 14
       
      When sleepwalking happens it may be because of fever, needs more sleep or if the person was stressed
  • If sleepwalking occurs frequently, every night or so, it's a good idea for your mom or dad to take you to see your doctor.
    • touche5839
      touche5839 on 06 Nov 14
       
      If this happens every night you should tell a doctor to see what's going on or is it a serious problem.
  • it's important, of course, that the person is kept safe.
    • touche5839
      touche5839 on 06 Nov 14
       
      Parents note: Its very important to keep your child safe and lock the doors so that they wont go out of your house
  • leepwalkers' eyes are open, but they don't see the same way they do when they're awake and often think they're in different rooms of the house or different places altogether.
    • touche5839
      touche5839 on 10 Nov 14
       
      The person's eyes are opened while sleepwalking. They don't see the same way as if they where awake. 
  • Here are some tips to help prevent sleepwalking: Relax at bedtime by listening to soft music or relaxation tapes. Have a regular sleep schedule and stick to it. Keep noise and lights to a minimum while you're trying to sleep. Avoid drinking a lot in the evening and be sure to go to the bathroom before going to bed. (A full bladder can contribute to sleepwalking.)
    • touche5839
      touche5839 on 10 Nov 14
       
      Some ways to stop sleepwalking for a lot of time is to be relaxed while you are asleep by listening to soft music. Going to bed the same hour as always. Keep the noise down from around you and the lights off. Sometimes even going to the bathroom before going to sleep.
marino5856

Earth's Rotation - 0 views

www.polaris.iastate.edu/...unit3_sub1.htm

earth rotation 24 hours

shared by marino5856 on 07 Nov 14 - No Cached
  • The earth rotates about an imaginary line that passes through the North and South Poles of the planet.  This line is called the axis of rotation.  Earth rotates about this axis once each day (approximately 24 hours).  Although you most likely already knew that fact, there is a slight complication most people are not aware of.
  • More specifically, our rotation period (the time elapsed for one rotation) with respect to the stars  is called a sidereal day.  A sidereal day is 24 sidereal hours, or 23 hours and 56 minutes on a normal clock.  Our clock time is based on the earth's rotation with respect to the sun from solar noon to solar noon.  This is a solar day, and it is divided into 24 hours.  Because Earth travels about 1 / 365 of the way around the sun during one day, there is a small difference between solar time and sidereal time.
    • marino5856
      marino5856 on 07 Nov 14
       
      The earth rotates with axis lines and  there is 24 lines thats why there are 24 hours in a day. The earth time is rotated into 24hours because the earth rotate 1/365 during one day.
Esteban Cantu

PETA Asia-Pacific | The Issues | Animals Are Not Ours For Entertainment - 0 views

www.petaasiapacific.com/issues-notforentertain.asp

shared by Esteban Cantu on 03 Dec 14 - No Cached
  • Zoos claim to educate people and preserve species, but they usually fall short on both counts. Animals' normal behavior is seldom discussed, much less observed, because their natural needs are rarely met. Even the largest of zoo enclosures cannot compare to the vastness of an animal's natural habitat, and the signs on these enclosures provide little more information than an animal's species, diet, and natural range. The only thing zoos teach people is that it is acceptable to control every aspect of an animal's life.
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