BS 4 - Excretion

Today's lesson
  1. Review paragraph 6 - healthy lifestyles
  2. Review the cardiac cycle
  3. Learn about the working of the kidneys

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Slide 1: Tekstslide
BiologieMiddelbare schoolvwoLeerjaar 2

In deze les zitten 10 slides, met tekstslides en 3 videos.

time-iconLesduur is: 45 min

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Today's lesson
  1. Review paragraph 6 - healthy lifestyles
  2. Review the cardiac cycle
  3. Learn about the working of the kidneys

Slide 1 - Tekstslide

Slide 2 - Video

cardiac cycle
- atria contract, blood flows into 
   ventricles (ventricles relaxed)

- ventricles contract, blood 
   flows into aorta and pulmonary 
   artery (atria relaxed)

- Heart relaxes, blood flows 
   into atria 

Slide 3 - Tekstslide

Slide 4 - Video

 ECG,   electro cardiogram
1
2
3
1 -  ?
2 - ?
3 - ?

Slide 5 - Tekstslide

B4: Excretion


Getting rid of waste!

Slide 6 - Tekstslide

 Kidneys
Kidneys (2x)
-Receive blood from renal artery
-Blood plasma is filtered from waste products and excess substances.
-Result is urine.

Slide 7 - Tekstslide

 Kidneys
Urine
-Formed in the renal medulla.
-Gathered in the renal pelvis.
-Exits kidney through ureter(2x)
-Stored in bladder.
-Excreted through urethra(1x)

Slide 8 - Tekstslide

Slide 9 - Video

To Do:Read 206-7
Do Qs 1 t/m 3, 5

Slide 10 - Tekstslide