What are the labeled cell parts for this?

Tlymphocytes mature in the? a. thyroid gland. b. bone marrow. c. spleen. d. thymus.

Food contains a sugar called ( ), which is broken down in a process called cellular ( ). this process uses ( ) to break down food molecules and provide energy for cells. fill in the parentheses

Read each description below and determine to which stage of sleep each pertains. then click and drag each box into the appropriate category below.