Because it can lose or gain an electron. For example, it becomes a part of a molecule because it can form bonds
Answer:
Contusion
Explanation:
Contusion is as a result of bruises and it happens when an injured capillary or blood vessel leaks some amount of blood into the surrounding area. Contusions are a type of hematoma, which refers to any collection of blood and can be associated with multiple microhemorrhages, small blood vessel leaks into brain tissue. Contusion is common in 20–30 percent of severe head injuries.
The folds of the mitochondria
Answer:
helps regulate the rate at which air changes temperature
