Each lobe contains

alveoli, which have lobules, where oxygen is transferred to the blood.

fissures, which have lobules, where oxygen is transferred to the blood.

lobules, which have alveoli, where oxygen is transferred to the blood.

lobules, which have fissures, where oxygen is transferred to the blood.

Investigator a has biological specimens that are coded and linked to identifiers of the source individuals. investigator a provides the specimens to investigator b but does not provide the individual identifiers. investigator b agrees not to re-identify the source individuals. is investigator b's research using the biospecimens human subjects research according to the definition of human subjects research in the federal regulations?

Susan’s wrist is tired from typing on her keyboard all day. she moves her wrist in a circle to stretch it out. what type of movement does her hand make around her wrist?

After fertilization zygote blank a) disappears b) begins to changes c) remains the same