The answer is, Pericardium.
What are you talking about
Organisms are made up of a bunch of cells. Billions of cells coming together make up an organism.
The answer is F1 generation
The 'cheek' is the common name for the insect GENA.
The gena is located in the head area of insects. The gena forms the sclerotized area on each side of the head, below the compound eyes, which extends to the gular structure. The gena varies among species of insects.