B7 U3 2HVTTO

• Biologie
• Middelbare school
• havo, vwo
• Leerjaar 2

B7 Tissue fluids & Lymph

• Take off your jacket
• Put your things on your desk

       Book, notebook, pencil case

• Bag on the floor
  
• Read pages 229-230

Lessongoals

• You can name the characteristics and functions of tissue fluid and lymph.

Wheel of homework

Go to Lessonup.app and use this code

Reward

Penalty

A red blood cell is in the cappilaries of the tongue. It is in the ...

1. Systemic circulation
2. Pulmonary circulation
3. You can't know with this information

The red blood cell keeps flowing and reaches the heart via the superior vena cava. It will enter the heart in the ..

1. Left ventricle
2. Right ventricle
3. Left atrium
4. Right atrium

The red blood cell then flows into the right ventricle and shortly after leaves the heart through the ...

1. Pulmonary artery
2. Aorta
3. Pulmonary vein
4. Vena cava (inferior or superior)

Questions

1. Which differences can you find between the circulation of a human and a frog (pictured)?
2. Is blood in the right atrium oxygenated, why (not)?

skin

lungs

body

V

RA

LA

Circulation of a frog

What happens in the capillaries?

Tissue fluid

fluid between the cells of a tissue, partly made from blood plasma flowing into the tissue from capilaries.

Contains many different substances like:

oxygen, carbondioxide, nutrients, waste

blood plasma

Fluid part of blood

Contains many different substances.

Oxygen and nutrients are supplied to tissues.

Carbondioxede and waste coming from tissues is taken into the blood plasma

Lymph

Tissue fluid that is inside a lymphatic vessel is called lymph

It contains the same substances as tissue fluid. 

But often a lot less nutrients and oxygen.

• LS transports lymph
• LS is a 'motorway' for white blood cells.
• Lymph nodes purify lymph
• thoracic duct/lymph trunk bring lymph back to vena cava

Lymphatic system (LS)

When LS doesn't work

Lymphatic vessels tranport lymph.
If you compare them to blood vessels their build is kinda similar to one of the types of blood vessel.
Which of the listed blood vessels is a lymphatic vessel most similar to?

1. Artery
2. Capilary
3. Vein

What you should do:

• Read pages  229-230
• Do asgmt  1-5 pgs. 231

Done with the above?

• Work on the next chapter(s)
• Learn for the test 
• Make other homework
• Read a book

Zs = Working in Silence

• No asking questions
• Silent, don't disturb anyone
  
• Stay at your  desk

What you should do:

• Read pages 229-230
• Do asgmt 1-5 pgs. 231

Done with the above?

• Work on the next chapter(s)
• Learn for the test 
• Make other homework
• Read a book

Zw = Working with whispering

• Teacher is available for questions
• Only whisper with the student next to you
• Stay at your  desk

Tidy Duty

Today these people are on tidy duty

• Desks: empty and straight
• Chairs:  underneath the desks
• Floor: no rubbish