Tại sao sừng trâu tóc đều được cấu tạo từ protein nhưng chúng không ăn được

What type of competition exsist between two species. turtles and fish

The pharynx is the structure in the body that serves as a pathway of both air and food. how does the body make sure that food does not get into the lungs? the salivary glands secrete enzymes that pull food out of the air pathway. the small intestine pushes the air out of the digestive system. the pancreas breaks down food in the air pathway. the epiglottis closes the air pathway so that food will not enter it.

What is the ecological role of food chains and food webs