I believe the answer is the first one you listed,
Hope this helps..
Answer:
aluminium, copper, iron, tin, gold,
Bacteria, archaea, fungi, algae
Answer:
Homeostasis
Explanation:
Cell membranes enable organisms to maintain homeostasis by regulating the materials that may enter or leave a cell.
Motor unit refers to the functional element of muscle contraction during an exertion. There are two basic types of motor unit: large and small motor units. During low to moderate level exercise, small motor units are activated. Small motor units are recruited during sustained activity; is made up of high proportion of type 1 muscle fibers, which are resistant to fatigue