Question

What is the space in the middle of the mitochondrion called?

Answer 1

The space inside the middle of Mitochondria is called Matrix whereas peripheral part is called cortex.

Answer 2

Answer:

The space in mitochondrion is known as the mitochondrial matrix. Mitochondrion is the powerhouse of the cells.

Explanation:

The main role of this is  break the nutrients and create energy in the body. It takes an active role in cellular respiration process. This includes several types of enzymes. This helps in the kerb cycle mainly. This biochemical process is essential to keep the cellular function proper.