Answer:
nucleus
Explanation:
Since the nucleus of the cell contains DNA (genetic material), she must focus on the nucleus.
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 answer is C, DNA sequences of populations that are closely realted
The respiratory system regulates oxygen flow, and provides regulation for oxygen blood content. Circulatory system plays a roll in providing enough oxygenated blood to the body
