2.5 Components of blood

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

Take a photo of something 'biological' in your room / surroundings.

What have we discussed this chapter?

SO FAR...

• We discussed the pathway of blood through the body and about diseases related to the circulatory system. 
• Today we will talk about : WHAT ACTUALLY IS BLOOD?

What do you already know about blood?

Functions of blood 

• Provide cells with oxygen & nutrients
• Carry away carbon dioxide & other waste products 
• Maintain body temperature

contains water, nutrients, hormones, waste products, CO2 & a little bit of oxygen.

contains water, nutrients, hormones, waste products, CO2 & a little bit of oxygen.

are fragments of cells, very important for blood clotting (3.6)

contains water, nutrients, hormones, waste products, CO2 & a little bit of oxygen.

are fragments of cells, very important for blood clotting (3.6)

are not only found in blood, but everywhere in your body! They fight bacteria & virusses. You have 2 types: 

- phagocytes = pac-man cell ('eats' everything that is harmful) 

- lymphocytes = produce antibodies (which work against one specific invader!) 

contains water, nutrients, hormones, waste products, CO2 & a little bit of oxygen.

are fragments of cells, very important for blood clotting (3.6)

are not only found in blood, but everywhere in your body! They fight bacteria & virusses. You have 2 types: 

- phagocytes = pac-man cell ('eats' everything that is harmful) 

- lymphocytes = produce antibodies (which work against one specific invader!) 

have no nucleus (only cell in the body), are red because they have heamoglobin, which binds easily to oxygen. 

contains water, nutrients, hormones, waste products, CO2 & a little bit of oxygen.

are fragments of cells, very important for blood clotting (2.6)

are not only found in blood, but everywhere in your body! They fight bacteria & virusses. You have 2 types: 

- phagocytes = pac-man cell ('eats' everything that is harmful) 

- lymphocytes = produce antibodies (which work against one specific invader!) 

have no nucleus (only cell in the body), are red because they have heamoglobin, which binds easily to oxygen. 

Do you have any questions? (please also let me know when you don't)

HOMEWORK

Hand in learning goals on 2.5 

before the lesson on Friday!