![]() These proteins keep fluids from leaking out of blood vessels into other parts of the body. Plasma proteins make up 7% of plasma contents and are created in the liver. Plasma is primarily made up of water (91%), salts, and enzymes, but it also carries important proteins and components that serve many bodily functions. Plasma is the fluid or aqueous part of blood, making up more than half of blood content.įormed elements refer to the cells, platelets, and cell fragments that are suspended in the plasma. There are two main components that comprise blood: This infographic visualizes the composition of blood and the microscopic contents in it. With the average adult possessing five to six liters of blood in the body, this fluid is vital to our lives, circulating oxygen through the body and serving many different functions.ĭespite its simple, deep-red appearance, blood is comprised of many tiny chemical components. Have you ever wondered what blood is made up of? And since light takes time to travel, much of what we’re observing actually happened many millions of years ago.īut our understanding of the universe is evolving constantly with new discoveries. When accounting for the expansion of the universe and observed objects moving away from us, that means that the farthest we can “see” is currently calculated at around 47.7 billion light-years. The universe is currently dated to be around 13.8 billion years old, and nothing in the universe can travel faster than the speed of light. Another well-known scientist was Edwin Hubble, whose findings of galaxies moving away from Earth is considered to be the first observation of the universe expanding.īut the massive logarithmic map above, and any observations from Earth or probes in space, are limited in nature. Most people are familiar with Albert Einstein and his theory of relativity, which became a cornerstone of both physics and astronomy. Humanity has been interested in space for thousands of years, and many scientists and researchers have dedicated their lives to furthering our collective knowledge about space and the universe. Why is it called the “Observable” Universe? It also highlights some newly deployed spacecraft, including the James Webb Space Telescope (JWST), which is NASA’s latest infrared telescope, and the Tiangong Space Station, which was made by China and launched in April 2021. Scientists believe this newly-discovered galaxy was formed just 330 million years after the Big Bang, or roughly 8.4 billion years before Earth.
0 Comments
Leave a Reply. |