Water and Ion Physiology III

Question 1

in the gills of fish chloride cells are

Answer 1

The primary type of ion transporting cells which are rich in mitochondria

Question 2

In the gills of fish Pavement cells are

Answer 2

flattened cells which cover the gill surface which play a minor role in ion transport

Question 3

Freshwater fish use what kind of ions to transport ions from the water into their cells

Answer 3

Cl

Question 4

Seawater fish use what cells to excrete excess ions

Answer 4

Cl cells

Question 5

what do Elasmobranchs use to excrete excess ions

Answer 5

Rectal gland, this is b/c it is composed of many tubules which are able to secrete Na, this process is modulated via the hormone Vasoactive which is released after a salt load