Science today is divided into four (4) branches

Botany is the scientific study of plants, including their physiology, structure, genetics, ecology, distribution, classification, and economic importance.

 Bacteria is a small collection of genetic code, either DNA or RNA, surrounded by a protein coat

Bacteria are classified into five groups according to their basic sizes.

There are approximately 10 times as many bacterial cells as human cells in the human body.

Sanitation is more than just toilets, it encompasses the facilities, behaviors, and services that prevent diseases caused by contact with human waste. 

Hygiene is the practice of keeping oneself and one's surroundings clean in order to prevent infection and disease and remain healthy and fit.

Physical and spiritual purification, cleansings, and washings featured prominently in New Testament Jewish ceremonial rituals.

God gave instructions for worship in the wilderness Tabernacle, He instructed Moses to make a large bronze laver and place it before the tent of meeting and the altar.