Human Excretory System

Question 1

Define Filtrate

Answer 1

Cell-free fluid extracted from body fluid by the excretory system

Question 2

What are the 3 processes of urine formation?

Answer 2

1. Filtration
2. Reabsorption
3. Secretion
   (4) Additional–Excretion

Question 3

Explain all the 3 processes of urine formation

Answer 3

1. Filtration–The excretory system tubule collects a Filtrate from the blood
2. Reabsorption– The transport epithelium reclaims valuable substances from the filtrate and returns them to the body fluids.
3. Secretion– Non-essential solutes, toxins and wastes are added to the contents of the excretory tubule from body fluids.
4. Excretion— The altered Filtrate(urine) leaves the system and the body.

Question 4

Where does filtration occur?

Answer 4

It occurs in the renal corpuscle

Question 5

What is the role of the Afferent arteriole?

Answer 5

Brings in blood from the renal artery

Question 6

What is the role of the efferent arteriole?

Answer 6

Transports Blood out of the glomerulus.