頸動脈

颈 = 又 + 工 + 页 : Joan of Arc (ji) is working out in the engine ((e)ng3). She is carrying a steel beam (工) on her neck (颈) and keeps it balanced with her hands holding the beam on either side wearing boxing gloves (又). She has a sheet of paper (页) in front of her to keep track on how many squats she already did.

动 = 云 + 力 : Doggy Dog notices a lot of smoke when he enters engine's bathroom. Instead of thinking long, he acts quickly and moves to push the fire alarm button.

脉 = 月 + 永 : Mahatma Gandhi (m) is getting married to the moon (月) in the airplane's bathroom (ai4). The moon puts a diamond ring (永) on Gandhi's finger which is so tight that Gandhi's arteries and veins (脉) are getting all bound off.