Excercise 20

Lab exam 3

Blood equals what

Connective Tissue

How much blood volume does formed elements take up?

45%

How much blood volume does plasma take up?

55%

What found in formed elements?

Red blood cells (RBC’s/ erythrocytes), White blood cell (WBC’S/ leukocytes) & platelets

What’s in plasma?

Water, lipids, dissolved substances, proteins, and clotting factors

Describe red blood cells

Most common blood cells, does not have a nucleus, and carries oxygen via hemoglobin

What is the arrow at the top pointing to?

Platelets

Whar is the arrow at the bottom pointing to?

Red blood cells, RBC’s

List the types of white blood cells, most common to least common

- Neutrophils

– Lymphocytes

– Monocytes

– Eosinophils

– Basophils

What’s a good way to remember the white blood cells, most common to leasr

Never Let Monsters Eat Babies

What is this image of?

Neutrophils

Describe Neutrophils

3-5 lobed nucleus, granular, normally the first to arrive at the site of an infection, ingest pathogens and release enzymes to kill microorganisms

What is this image of?

Lymphocytes

Describe Lymphocytes

one large, unlobed nucleus, agranular, smallest white blood cell, two types ( T cells and B cells)