occurs as airborne molecules pass over five million nerve fibers with the receptor proteins on the surface of these fibers being stimulated by these molecules, causing signals to be sent to the brain.

Why is excretion necessary to maintain homeostasis?

Identify the various levels of atmosphere. troposphere mesosphere exosphere stratosphere thermosphere

Acar company is testing seatbelts using crash test dummies. the company finds that when cars come to a sudden stop, the crash test dummies' bodies continue to move forward. the seat belt keeps the crash test dummies from hitting the back of the seat in front of them. why do the crash test dummies' bodies continue to move forward even though the car stopped? a. the friction opposing their bodies' movement keeps them in motion. b. the inertia of their bodies keeps them in motion. c. the forward acceleration of the car keeps them in motion. d. the gravity pulling on the car keeps them in motion.