in Excretory System by

1 Answer

0 votes

The cortex and medulla are composed of masses of tiny tubes. These are called kidney tubules or nephrons.

Kidney tubules are microscopically, tiny tubes in the kidneys; collect fluid as it leaks out of glomeruli (blood vessels); Kidneys reabsorb Na+, Ca2+ and water from kidney tubules; Cuboidal epithelium forms the kidney tubules

Biology Questions and Answers for Grade 10, Grade 11 and Grade 12 students, Junior and Senior High Schools, Junior Colleges, Undergraduate biology programs and Medical Entrance exams.