Which of the following is an example of a physical change but not a chemical change? Teeth breaks down food into smaller particles.

Bile in the liver breaksdown fat globules.

Salivary amylase breaks down the starch in the mouth.

Hydrochloric acid in the stomach grind the protien in the stomach.

teeth breaks down food

Explanation:

all of the other ones have a chemical change to them, but the teeth one is just crushing food to make a physical change

the oxygenated blood then leaves the lungs through pulmonary veins, which return it to the left heart, completing the pulmonary cycle. this blood then enters the left atrium, which pumps it through the mitral valve into the left ventricle. from the left ventricle, the blood passes through the aortic valve to the aorta.

deoxygenated blood leaves through the right ventricle through the pulmonary artery. from the right atrium, the blood is pumped through the tricuspid valve (or right atrioventricular valve), into the right ventricle.