Please answer all questions

1		The epiglottis prevents food from entering the larynx.
			A)	True
			B)	False
2		The trachea is held open by C-shaped cartilaginous rings.
			A)	True
			B)	False
3		Smoking destroys the cilia in the trachea.
			A)	True
			B)	False
4		The bronchi branch into smaller passages called bronchioles.
			A)	True
			B)	False
5		During an asthma attack, the bronchioles dilate.
			A)	True
			B)	False
6		During inspiration, diaphragm and rib muscles contract, causing the pressure inside the lungs to increase.
			A)	True
			B)	False
7		After carbon dioxide diffuses into the blood, it enters the red blood cells, where a small amount is taken up by hemoglobin, forming reduced hemoglobin.
			A)	True
			B)	False
8		The lungs adhere to the thoracic wall by way of the pleura.
			A)	True
			B)	False
9		The passages along the respiratory tree that are not used for gas exchange are said to contain residual air space.
			A)	True
			B)	False
10		Lacrimal glands drain into the pharynx by way of tear ducts.
			A)	True
			B)	False