44.1 transport epithelia

Question 1

indirect osmoregulation

Answer 1

animals manage the composition of an internal body fluid that bathes the cells

-like if cells along the bloodstream transport NaCl out of the blood as it passes by

Question 2

body fluid in open circulatory systems

Answer 2

hemolymph

Question 3

transport epithelium

Answer 3

helps osmotic regulation and metabolic waste disposal

• 1 or more layers of specialized epithelial cells that regulate solute movement
• move specific amounts of solutes in specific directions

Question 4

what allows albatrosses to maintain internal salt balance

Answer 4

a specialized nasal gland

• counter current exchange- fluids moving in opposite directions
• secretory cells transport salt from blood into the tubules where it is excreted