Which part of the kidney acts as a funnel to pass the urine that is produced in several nephrons to the ureters?
a. medulla
b. cortex
c. renal pelvis

2. how does the miller-urey experiment fall short of demonstrating that life can arise from inorganic molecules? explain. a. it doesn't show a leap between a collection of amino acids and a single-celled organism. b. it recreates the conditions that existed at the earth's beginning, but no molecules form as a result. c. it doesn't provide evidence of the formation of amino acids. d. it doesn't show how multicellular organisms developed from unicellular organisms

Why do mountaineers become breathless as they reach high altitudes

Which of the following is directly affected by the cardiovascular system?