Headlight socket?
The proper name for a human's main breathing tube is the trachea. It connects the larynx to the bronchi and allows air to flow in and out of the lungs.
The part that the headlight door on a 1986 Mercedes-Benz 420 SEL clips into is called the headlight assembly or headlight housing. This assembly secures the headlight door in place and allows for easy access to the headlight bulb when needed. Proper alignment and securing of the door ensure optimal functionality and aesthetics of the vehicle's front end.
The proper anatomical name for the ankle is the "talocrural joint." This joint connects the tibia and fibula of the lower leg to the talus bone of the foot, allowing for movement and stability. It is commonly referred to as the ankle joint in both medical and everyday terminology.
Headlamp
tendon (fibrous tissue) connects muscles to bones
catheter
centromere
The coil pack connects to the ignition module or the engine control unit (ECU), depending on the vehicle's design. Additionally, the coil pack is linked to the spark plugs through high-tension leads or directly in some modern designs. This connection is essential for delivering the electrical spark needed for combustion in the engine.
The tendon that connects the hamstring to the knee is called the patellar tendon.
Speaker
There is no specific name nor a specific shape for such a polygon.
The systemic circulation connects the heart to all body parts. The pulmonary circuit connects the heart to the lungs.