Q1. 1. Sketch a diagram of the cross-section of a rat's kidney, labelling the cortex, medulla, capsule, renal pelvis, renal vein, and ureter.
2. Where in the rat's body do sperm and urine share the same passages?
3. What hormone do the adrenal glands produce?
Q2. An uncold-worked brass specimen of average grain size 0.008 mm has yield strength of 170 MPa. Estimate the yield strength of this alloy (in MPa) after it has been heated to 600°C for 1260 s, if it is known that value of ky is 12.1 MPa-mm1/2