The purpose of the mucus found within the respiratory system is to

a- push the cilia away from the lungs
b- move air through the windpipe
c- trap particles from the air before they reach the lungs
d- lubricate the epiglottis

Pink fur (p) is dominant to purple fur (p) in hamsters. two heterozygous pink hamsters are crossed. what is the probability that these two parents will have an offspring with purple fur? 2/4, 1/2 or 50% 1/4 or 25% 3/4 or 75% 4/4 or 100% there is no chance for this type of offspring