Fluency means that:

A. you have fluid emotional responses to situations.

B. you speak clearly and well.

C. you can create linguistic constructs.

D. you have the ability to come up with many ideas.

humans, along with other animals and plants, have linear chromosomes that are arranged in pairs within the nucleus of the cell. the only human cells that do not contain pairs of chromosomes are reproductive cells, or gametes, which carry just one copy of each chromosome.

trachea, alveoli, lung capillaries, arteries

ya the other dude is right