Excretion (Chapter 32)

Question 0

Secretion

Answer 0

Secretion is the production and release of chemicals from cells

Question 1

Excretion

Answer 1

Excretion is the removal of waste products of metabolism from the body

Question 2

What is filtered out it the blood in the outer Cortex

Answer 2

Small molecules like glucose, amino acids, water, urea and salts

Question 3

What is reabsorbed back into blood from the tubules?

Answer 3

Urea, excess salts and water

Question 4

What is secreted into the urine when blood becomes too acidic

Answer 4

Hydrogen ions

Question 5

Ectotherm

Answer 5

Ectotherms gain or lose heat from or to their external environment

Question 6

Endotherms

Answer 6

Endotherms generate their own heat from metabolic reactions

Question 7

Nephron

Answer 7

Nephrons are the functional units of the kidney, they make urine.

Question 8

Active Transport

Answer 8

Active Transport is the movement of molecules across a gradient from low concentration to high concentration. It requires energy.

Question 9

What hormone is released if the blood plasma is too concentrated (not enough water in the plasma)

Answer 9

ADH (Anti-Diuretic Hormone)

Question 10

ADH causes a (higher/lower) volume of urine to be produced

Answer 10

lower.