The Circulatory System Microviewer
Slide 1 – Human Blood
1. How many red blood cells (erytrhrocytes) are found the blood of an average man?______________
2. What is the job of the red blood cell? ________________________________
3. What is the job of white blood cells (remember microbiology.....) ____________________________
4. What is the job of platelets? __________________________________________________________
5. What is plasma made of? ___________________, ___________, _________________, ________,
___________, _______________, ______________, ______________, ________________
Slide 2- Phagocyte
1. Describe how white blood cells get rid of bacteria or other foreign bodies
_____________________________________________________________________________________
_______________________________________________________________________
Slide 3 – Artery and Vein
Complete the sentence:
1. Arteries carry blood ______________ from the heart and VEINS carry blood __________ the heart
2. In the circle copy the picture from the micrograph and clearly label the artery and the vein
b. Which has a thicker muscle layer, artery or vein?
ii) Is this related to function?
Slide 4 – Capillaries in the Lung
1. Capillaries are very small blood vessels that are very narrow. What three things diffuse out of the blood
____________________, _________________, & _______________
2. What is another important function of capillaries (hint: look at the last paragraph in this slide)
Slide 5 – Lymph Vessel and Valves
1. What does the “V” represent in this slide and what is it’s function? ________________________
______________________________________________________________________________
Slide 6 – Rat Heart1. What are the two receiving chambers of the heart called: ________________________
2. What are the two pumping chambers of the hearth called: _______________________
Slide 7 – Rat Heart
1. Which side of the heart has thicker layers the right or the left? ______
2. Draw a labelled diagram of what you see in the microviewer
b. What do you think would happen if an important branch of the coronary
artery were suddenly blocked?
Slide 8 – Valve at origin of Aorta On the back of this page make a sketch of what you see in slide 8 including
labels including an arrow that shows the direction of blood flow. What is the role of the valves?