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The kidneys are responsible for stimulating RBC production through the release of erythropoietin.

This layer has fat for insulation and is rich in nerves and blood vessels.

When blood is tinged “blue,” it means it is __________ in oxygen.

__________ is when menstruation ceases.

Cytoplasm refers to the contents inside the cell membrane but outside the nuclear membrane.

Cartilage and bone are considered __________ connective tissue.

Eggs are produced in the __________.

The __________ conducts urine from the urinary bladder to the outside the body.

The sacrum and coccyx both consist of fused vertebrae.

This vertebra holds up the head and forms a pivot joint with the vertebra directly below it.