Blood And Lymph Introduction. 8th Grade

Hey there everybody. Here is the brand new lesson on Blood and its components. Enjoy!

Circulatory System. Blood 1.

Learning Outcomes:

Content: to be able to name blood cell types and be able to explain their functions; to be able to explain what blood consists of and know its functions.

Language: clearly and concisely summarise facts and describe their interrelationships.

1 (individual work): Write down words which you know about the circulatory system.

2 (individual work): Circle the right words or phrases in italics to create grammatically correct questions.

Questions	Answers
1. How many/much RBCs does the one drop of blood have?
2. How many/much blood does the organism have?
3. How are the RBCs, the red blood cells, different from/different by the leukocytes?
4. What are the red blood cells named/called?
5. Is it true/Is true that the thrombocytes consist of cell parts and make a clot?

3 (individual work): Match the following correct answers to the questions above. There are two extra answers that cannot be used.

1. Yes, it is true. They consist of different cell parts and dead cells.
2. Yes, there are.
3. Erythrocytes or RBCs.
4. There are 5.5 million.
5. They are flexible and biconcave, and carry oxygen.
6. Five to seven litres.
7. Yes, it does.

4 (individual work): Answer questions after watching the video (https://goo.gl/iSyfWp).

1. What are functions of the blood?
2. What are components of the blood?

5 (pair work): Using what you have learned, draw the shape of different blood cells.

6 (individual work): Match left with right.

1. RBCs                               A.liquid part of the blood
2. Plasma                            B.make a clot
3. Leukocytes                      C.carry oxygen
4. Thrombocytes                 D.defence part of blood