Over time, scientists have extracted scientific from their observations and experiments, or rules that describe how nature works. questions

hypotheses

laws

observations

over time, scientists have extracted scientific hypotheses from their observations and experiments, or rules that describe how nature works.

Explanation: because the scientists don’t only use chemicals but they use there mind they always Connect them with the work they are doing and like but there body Force to touch, and smell.

the major parts of the digestive system:

salivary glands.

pharynx.

esophagus.

stomach.

small intestine.

large intestine.

rectum.

accessory digestive organs: liver, gallbladder, pancreas.