The answer is the blood plasma.
Antibodies are specialized proteins that travel through the blood stream and are found in bodily fluids. They are used by the immune system to identify and defend against foreign intruders to the body. Blood plasma contains proteins, salts and minerals, it serves a variety of functions including maintaining a satisfactory blood pressure and volume to supplying critical proteins for blood clotting and immunity.
<span>The correct answer is B. their kidneys can't excrete concentrated salt. Since salt is dissolved in water, the organism sends its water reserves to the kidneys to dissolve and excrete the salt but this leads to dehydration. That's why people at sea who don't know what they're doing often dehydrate themselves by drinking sea water, thinking that they're safe.</span>
Animals i think
i have the same question that i don’t understand sorry i’m commenting so i can see if anyone else gets that answer
Food web only contains interactions between trophic levels while an interaction web shows both trophic and non-trophic interactions.
