The marginal cost curve is U-shaped. For the first 4 Stuffed Amigos, marginal cost declines from $5 to a low of $1.50. However, for the production beyond 6 Stuffed Amigos, marginal cost increases.
Stretch Reflex. The stretch reflex is one of the simplest reflexes which contract a muscle that is being stretched. The stretch reflex is mediated through a monosynaptic arc and it contributes to the maintenance of steady standing posture and to coordinate muscle movement.
The stretch reflex or myotatic reflex (sometimes myotactic reflex) is probably our body's most unrecognised and unappreciated defence mechanism. Forget about the immune system. When it comes to making it safely through the day, nothing comes close to the myotatic reflex.