Circulatory System Pg. 177

Blood constituents There are 4 parts to blood’s constituents: Plasma Red blood cells (RBC) White blood cells (WBC) Platelets Lets take a look at Table 6.27

https://www.youtube.com/watch?v=T4Uk7EFrI6c

Plasma Description: Functions: yellowish liquid 90% water Various substances dissolved in it (nutrients, antibodies, hormones, waste *from cellular activity) Functions: Transports nutrients to cells Transports waste products* to excretory organs Transports hormones, antibodies, proteins, ETC

class

Red Blood Cells (RBC) Description: Functions: 4-6 billion in 1 mL of blood Red-coloured cell biconcave disks have no nucleus and few organelles Erythrocytes Functions: Transports Oxygen with the help of a protein called Hemoglobin (found in RBC)

White Blood Cell (WBC) Description: Functions: 4-11 million in 1 mL of blood Transparent cells AKA Leukocyte Functions: Provide immunity and defense against disease

https://www.youtube.com/watch?v=Z_mXDvZQ6dU https://www.youtube.com/watch?v=JnlULOjUhSQ

Platelets Description: Functions: 150-400 million in 1 mL of blood Irregular fragments stemming from large cells in the bone marrow Functions: Help in blood-clotting process

Anemia What is Anemia? Have you heard of this disease before? It is a result in a lack of oxygen in the blood This disease can have 3 causes: Inadequate # of RBC Inadequate amount of hemoglobin in the RBC Abnormally formed hemoglobin