Answer:
i’m late but:
1) 5
2) 2
3) 3
4) 6
5) 2
6) 1
atoms 1
organelle 2
cells 3
tissues 4
organs 5
organ systems 6
Id and ego
Explanation:
Maintaining personal hygiene is important to avoid the risk of contracting illnesses and infections.
H66.91 is the correct answer.
