Physiology

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Usain Bolt isn’t just a legend, he’s a scientific marvel

Sprinter Usain Bolt of Jamaica just made history by winning his third straight gold medal in the men’s 100-meter dash — something no runner has done before. How does Bolt keep doing it? He doesn’t win by moving his legs faster than everyone else. One component of his success is his height, but the other has to do with the mechanics of his feet and ankles.

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If you’re in the health science field and haven’t already, eventually you will have to know how to give injections. This is a very common practice and there are plenty of people that cant stand the thought of needles especially inserting it into a person. Its very important you get it right or else it could lead to damages. Here are some tips on inserting needles the right way.

www.learninghumananatomy.com

Astrology Physiology

Every planet, sign and house have physiological correspondences which would explain a lot as we don’t always look like our ascendant. The Houses each rule a different part of our bodies, the planets affect how they appear and the signs give them a certain vibe, note that the houses and signs correspond with each other so they usually rule the same things (E.g Jupiter in the 9th House which is in Libra, Big (Jupiter) hips/thighs (9th House) that may be very feminine (Libra).)

*This is strictly appearance wise, if people would like a full, medical astrology post, let me know*

Houses/Signs

1st House/Aries: Head, Face, Physicality, Brain, Blood Vessels to the Brain and Facial bones

2nd House/Taurus: Voice Teeth, Throat, Neck and Bones

3rd House/Gemini: Shoulders, Collar bones and Hands

4th House/Cancer: Chest, Breasts, Ribs and Stomach

5th House/Leo: Spinal Chord and Back

6th House/Virgo: Abdomen and Stomach

7th House/Libra: Waist and skin

8th House/Scorpio:  Anus, Buttocks, Sexual Organs and pelvic bones

9th House/Sagittarius: Hips and Thighs

10th House/Capricorn: Knees and Joints

11th House/Aquarius: Ankles and Legs

12th House/Pisces: Feet and Toes

Planets

Sun: Provides health and vitality, generally is a bright, positive attribute

Moon: Fluctuation and instability in appearance is common here, warm and comforting features

Mercury: Sharp and clean-cut type of appearance

Venus: Feminine, aesthetically pleasing attributes

Mars: Rough, prominent, masculine attributes

Jupiter: Expansion, growth and largeness in the appearance

Saturn: Restriction, bony appearance

Uranus: Radical, uneven attributes

Neptune: Subtle, enchanting attributes

Pluto: Sexy, empowering attributes

SHARKS HAVE INCREDIBLE HEALING ABILITIES

Wound healing is important for sharks from the earliest life stages, for example, as the ‘umbilical scar’ in viviparous species heals, and throughout adulthood, when sharks can incur a range of external injuries from natural and anthropogenic sources.

Recently, researchers documented the rapid healing of the Blacktip reef sharks (Carcharhinus melanopterus) following an internal tagging procedure involving a small incision in the belly of the shark to implant the transmitter. This not only shows that sharks are healing quickly but also that they are robust to this tagging procedure which is important to know as a scientist when you work with free-living animal.

Small umbilical wounds in neonates decreased in surface area by 71% in less than a week and were barely detectable after 24 days.

Also in the study were reported two cases of survival after fin removal due to targeted shark-finning in which the basal wound of fin removal healed well and the sharks were observed alive a while after injury, swimming without their dorsal fin. However, even if they survive for un unknown time, the removal of the dorsal fin may greatly affect their daily life and in turn their fitness (and most of finned sharks may not survive).

Sharks, and probably rays too may be resilient to injuries, showing rapid healing from minor wounds and long-term survival from even major mechanical injuries. These are positive findings for elasmobranch conservation, especially considering that up to a quarter of all shark and ray species worldwide are threatened with extinction. 

Despite this incredible ability, researchers encourage minimal handling time and stress when releasing sharks after fishing or by-catch, which could include cutting a line near the hook instead of repeatedly attempting to remove the hook. Anglers should also be made aware that sharks can recover from mechanical injury; therefore, sharks should be released even if the animal sustains injuries during the capture process.