The Factors That Cause Your Blood To Flow Differently In Space

Astronauts appear different in photographs taken when they are floating around the International Space Station. They may have unruly hair, yes, but there’s something else about them. That you might not be able to quite put your finger on. However, if you pay close attention to their appearances. You might see that their faces are puffy or that their neck veins are protruding. You can thank gravity for that, I suppose. Or rather, the absence of it.Blood Flow Differently in Space.

The Factors That Cause Your Blood to Flow Differently in Space

Because our bodies have evolved in response to Earth’s gravitational pull, routine activities like strolling around the super market or playing catch with our dogs keep our bodies’ internal machinery running smoothly. When the body is in microgravity, things start to go wrong. NASA claims that without the normal amount of gravity. Our organs have no external influence to operate against, which causes the cardiac muscle to become “lazy.”

Gravity pushes blood and other bodily fluids to the legs and abdomen here on Earth. It explains why swelling in the legs and ankles occurs after prolonged standing. Blood, however, is instead forced up into the chest and head in the absence of any gravitational pull in space, natural or artificial. In fact, the fluid shift reduces blood flow to the cardiovascular system. Resulting in astronauts’ puffy and bulging veins (via NASA).

No one enjoys a swollen face in space

No one enjoys a swollen face in space

The body and systemic circulation are severely impacted by this general lack of gravity. To lessen the negative consequences that living in space has on the body. NASA and other space agencies from around the world.

He have invested a lot of time and energy in researching the impacts of zero gravity.

Blood in the chest and head can cause permanent hearing loss, increased brain pressures. That causes brain swelling, and eye distortion known as Spaceflight Associated Central nervous system Syndrome. Among other harmful health impacts, according to NASA (aka SANS). The absence of gravitation causes muscles to atrophy and degenerate. And the heart’s usual oval shape changes to one that resembles a spherical ball.

Blood and fluid are drawn back down into the belly and legs of astronauts . When they land on the gravitationally heavy Earth. It is more difficult for the body to control a dip in blood pressure. As a result of that fluids shift and the other alterations. The condition known as orthostatic intolerance can make some astronauts feel lightheaded and occasionally faint.

Unfortunately, space is not a very hospitable environment, and people adapt to whatever surroundings they are placed in.

Affects Blood to Flow Differently in Space

Two astronauts experienced the development of tiny blood clots due to changes in circulation, which may have been catastrophic. Fortunately, neither the affected guy nor woman suffered any injuries.

The left interlobular vein, one of two blood vessels. That ordinarily transport blood out from the brain when we are lying down, is where the blood alterations occurred. They mainly collapse while we are upright to prevent too much fluid from flowing out of the brain. Which forces our circulation to travel through veins that are more resistant.

On Earth, if there is a blockage further down. Such as from a tumor growing in their chest, persons have occasionally been observed having backward blood flow in the left internal jugular vein.

Karina Marshall-Goebel and her coworkers at the engineering, procurement. And construction firm KBR in Texas wondered. If the alteration in blood flow caused by microgravity might also damage this vein.

Before and after their missions on the International Space Station. They measured and performed ultrasounds on the blood vessels of nine men and two women on the ground. At 50 and 150 days into their missions, the astronauts measured their bodies.

According to Marshall-Goebel. The lack of gravity may have caused the organs in the chest to move, pressing on the vein lower down, in two of the astronauts, causing the blood flow to be in reverse. She continues by saying that due to its location in the body, this vein is more likely to become obstructed.

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