3.5 Taking out the rubbish

• Biologie
• Middelbare school
• havo
• Leerjaar 3

Organs of digestive
system

1. Bile (gal) contains enzymes.
2. Pancreatic juice contains enzymes.

1. Both are true
2. Both are false
3. Only 1 is true
4. Only 2 is true

Give as many examples of excretory organs as you know (there are 4).

00:38

What are the main functions the kidneys.? (Select one of the correct answers)

1. Balance the amount of fluid in the body
2. Release digestive juices
3. Release vitamins, minerals and hormones
4. Detect waste in your blood

01:50

This type of blood vessel delivers blood TO the organs and tissues.

1. Arteries
2. Veins

02:28

The ureters deliver the urine to the bladder. While the urethra delivers the urine out of the body.

1. True
2. False

02:29

The renal vein delivers the unfiltered blood to the kidney.

1. True
2. False

Important differende between ureters and the urethra 

Write this down!

The environment of the stomach is

1. Acidic
2. Alkaline

Ingestion

Mechanical digestion

Chemical digestion

MOVING THE FOOD INTO YOUR MOUTH

BREAKING THE FOOD INTO SMALLER PIECES.

THIS IS DONE BY YOUR TEETH

BREAKING THE FOOD INTO EVEN SMALLER PIECES.

USING ENZYMES TO BREAK DOWN THE FOOD MOLECULES. 

Insulin is secreted

glucagon is secreted

pancreas is stimulated

pancreas is stimulated

insulin stimulates glucose uptake from blood

glucagon stimulates liver to release glucose