In adults, the most common food allergies are: 1  Peanuts. 2  Tree nuts. 3  Fish. 4  Crustaceans (such as shrimp, crabs, and lobster). 5  Mollusks (such as clams, oysters, and mussels).6  Fruits.n adults, the most common food allergies are: 1  Peanuts. 2  Tree nuts. 3  Fish. 4  Crustaceans (such as shrimp, crabs, and lobster). 5  Mollusks (such as clams, oysters, and mussels). 6  Fruits.
Sliding filament theory is a model used to explain the mechanism by which muscles contract. The contraction of skeletal muscle, which is what makes movement possible, occurs in three ways.
www.mhhe.com/widmaier9 271 Sliding-Filament Mechanism When force generation produces shortening of a skele-tal muscle fiber, the overlapping thick and thin filamentsin each sarcomere move past each other, propelled bymovements of the cross-bridges.