Heart is made up of Cardiac muscle
I’m not sure but I think it’s the sebaceous glands
Answer:
If the Universe holds enough matter, including dark matter, the combined gravitational attraction of everything will gradually halt this expansion and precipitate the ultimate collapse. Over time, galaxies, then individual stars, will smash into each other more frequently, killing off any life on nearby planets.
Explanation:
A micrograph is "false-colored" because scientists often use computer techniques to add color in the colorless electrons to make certain structures stand out.
