The structure that drains urine directly into the ureter is called:

The talud-tablero construction system was used at this Mesoamerican site:

Name the structure # 10 from the figure:  

Answer the following question in one paragraph minimum:   What is your favorite artwork from the second half of the course and why?  

Kidneys secrete H+ in order to maintain blood pH. The secretion of H+ is linked to re-absorption of this ion:

The pressure difference between the two ends of a blood vessel is the driving force behind blood flow.

Name structure “b” from the figure:

14. The ______ is the main pumping mechanism of the heart

All mitochondria are found in the tail of the sperm cell.

Name part “d” from the figure: