Are there any birds that can't fly

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.

2. sketch the inside of the bean nodule, and describe or label what you observed with the hand lens.

What is the process of pulling apart an n2 molecule nevermind i got it