missyay:

nazerine:

excessivecompulsive:

nazerine:

the anti vaccination movement basically consists of random people with no knowledge of medicine going “I can medicine better than doctors” and it would be hilarious if it wasn’t literally killing people

you dont need vaccines, I havent had any and Im still doing great

wow, what a compelling argument. you’ve got me

in other news, i am still alive therefore death must be a myth

(via peytonopoly)

Source: nazerine

Originally from somewhat obscure asexual character

medicalschool:

Veins are blood vessels that carry blood toward the heart. Most veins carry deoxygenated blood from the tissues back to the heart; exceptions are the pulmonary and umbilical veins, both of which carry oxygenated blood to the heart. Veins differ from arteries in structure and function; for example, arteries are more muscular than veins, veins are often closer to the skin and contain valves to help keep blood flowing toward the heart, while arteries carry blood away from the heart
Image: Video of venous valve in action

medicalschool:

Veins are blood vessels that carry blood toward the heart. Most veins carry deoxygenated blood from the tissues back to the heart; exceptions are the pulmonary and umbilical veins, both of which carry oxygenated blood to the heart. Veins differ from arteries in structure and function; for example, arteries are more muscular than veins, veins are often closer to the skin and contain valves to help keep blood flowing toward the heart, while arteries carry blood away from the heart

Image: Video of venous valve in action

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Originally from Medical School