What is not a function of mucus in the nasal cavity?

a. to warm air entering the respiratory system

b. to break down oxygen entering the respiratory system

c. to moisten air entering the respiratory system

d. to trap particles entering the respiratory system

1. keisha’s brother was killed in a car crash. the person who was driving the car was not injured. keisha feels powerless. she misses her brother. she resents the fact that the driver continues to attend her school and seems unaffected by her brother’s death. what is the stage of grief? anger depression denial or numbness(one answer) hope remorse