Making sure there are no poisonous gasses entering your lungs by covering your mouth and nose
Answer:
D - capable of both change and stability
Explanation:
Edg2020
I really think it was Wundt. Not 100% sure though
For preventing stds use a condom birth control or abstinence
1) Social equality, harmony are necessary for human health. 2) Public cleanliness or sanitation or hygiene is very important for individual health. Hope this is helpful to you