Breathing is when a gill converts from oxygen in water into
tiny polyps Hemoglobin salmon motility unidirectional exoskeleton heat energy epidermal
A B C D E F G H
Hemoglobin transports oxygen in blood.
breathing is when a gill converts from oxygen in water into Hemoglobin 
Breathing is when a gill converts from oxygen in water into (A) tiny polyps (B) Hemoglobin (C) salmon (D) motility (E) unidirectional (F) exoskeleton (G) heat energy (H) epidermal