Actually it depends because at my school if we get hints wrong we get deducted points, though at other schools it might be different. So it depends what your school does.
Hope this helps.
(If it doesn't, I am sooooooooooooooooooooooooooooooooooooooooooooooooo sorry.)
Stroke Volume
Heart Rate
Cardiac Output
Systolic
Diastolic
Volume and Pressure of Blood Cells
Because their foots is shaped like a spade
Your answer is going to be epididymis
