Answer:
wheres my brainlisty first buddy............
Explanation:
Answer:
it's an oval so prob the first answer
Answer: system
Two or more organs working together form a system
Explanation:
A system is formed by two or more organs working together and performing similar function. For instance: organs such as the mouth, oesophagus, small intestine, pancreas, large intestine etc all joined to form the digestive system.
Thus, system is the answer
It was 19 kilometers deep
Answer:
They had only limited opportunities to practice surgical techniques.