About 93 million miles or 150 km or 8 light minutes (don't know what that means)
False. They have an open <span>circulatory system</span>
Answer:
#carry on learning
hope it's held
mark me as brainliest
All living cells need energy to function in order for the chemical reactions occurring in the cells to take place. In humans this energy is obtained by breaking down organic molecules such as carbohydrates, fats and proteins.