The primary organ where erythropoietin is produced is the

Imagine that you have been assign the task of describing a new mammalian species.  You note that this species has mutated so RBCs no longer go through final stage of maturation.  Predict how this might affect the species.

BONUS The veins and venules may contain up to ____% of the total blood volume.​

During exhalation, the chest cavity ____ in size, which causes air pressure in the lungs to ____.​

A ____ uses air sacs to ventilate its lungs.​

What is the correct rank order for relative amount of water (most to least) required for excretion of the primary nitrogenous wastes generated by different animals?

BONUS Which artery/arteries branch(es) is/are most proximal to the beginning of the aorta at the heart?

Elevated blood pressure stimulates specialized cells in the heart to release antidiuretic hormone, a peptide hormone that inhibits renin release.

Which of the following statements about the protonephridia of freshwater flatworms is CORRECT?

Malpighian tubules are found in ____.​