TH2a - 17 dec - Excretion

• Biologie
• Middelbare school
• havo
• Leerjaar 2

Excretion

What do you know about excretion?

Does the renal artery transport oxygen rich or oxygen poor blood?

1. Oxygen rich
2. Oxygen poor
3. Renal artery?
4. I forgot

Components of a kidney

Renal cortex

Renal medulla

Renal pelvis

Renal cortex & Renal medulla

Remove from the blood:

• Waste products
• Excess water
• Excess salt
• All harmful substances

• Combined we call this:  urine

Renal pelvis

Collects the urine

Collected urine is transported to the bladder through the ureters.

What substances combine to form urine?

What are the components of a kidney?

1. Renal cortex, renal artery and renal pelvis.
2. Renal pelvis, renal medulla and renal vein.
3. Renal medulla, renal cortex and renal artery.
4. Renal cortex, renal medulla and renal pelvis.

What is the name of the component that transports urine to the bladder?

1. Urethra
2. Renal pelvis
3. Ureter

What do you know about excretion?

Work on:

Exercise 27, 28, 29 and 30 (3.6)

Write PIF and Summary 

Finish previous homework

Test Yourselves

I will be calling each of you to check on the homework and answer any questions you might have.