What is the strongest muscle in the human body???

The muscles in our mouth that close our jaw

Explanation:

The strongest muscle in the human body is the Masseter which is the jaw muscle

Explanation:

With all muscles of the jaw working together it can close the teeth with a force as great as 55 pounds on the incisors or 200 pounds on the molars.

if the type of the food available changes, then the frequency of beak types will change, because birds with beaks more suited to the available food will be more successful over time.

b tumor cells have a cell wall instead of a membrane

explanation:

tumor cells different from normal cells because tumor cells have a cell wall instead of a membrane.