The expanded beginning of the ureter connects to the
A) renal sinus.
B) renal pelvis.
C) renal calyx.
D) renal hilum.
E) renal corpuscle.
Question 2
Which feature of WBCs makes them particularly important in tissue injury?
A) They undergo aerobic respiration.
B) They stick to injured blood vessels.
C) They undergo a fast rate of mitosis.
D) They can squeeze out through blood vessel walls into tissues.
E) They carry loads of oxygen.