Anatomy - blood! (Part One)

There are __ types of blood

eight

What does the buffy coat consist of

Leukocytes (WBC)/platelets

Platelets help w/

blood clotting

Blood is made up of

Plasma/Buffy Coat/RBCs

Buffy Coat makes up

less than 1% of blood

Plasma makes up

55% of blood volume

List plasma proteins

Albumin/Globulins/Fibrinogens

Fibrin

Superglue that makes platelet plug stronger

Main problem w/hemophilia

Internal bleeding

Antigen

Label for blood type

Why is AB blood type universal recipient

It has both A/B antigens → so no antibodies

Why is O universal DONOR

O has both A/B antibodies; ONLY accept other O blood

Rh positive blood can accept

Positive and Negative blood

Hemostasis

Stopping bleeding

Blood pH

7.35-7.45 (slightly alkaline)

Deoxygenated blood is color

dark red-purple

How many liters do men have

5-6 liters

How many liters do women have

4-5 liters

Albumin helps w/

water retention

Globulin helps w/

fighting infections

Fibrinogen helps w/

blood clotting

Hematopoiesis

Blood formation

How many new RBCs are made in a day

250 BILLION

Do erythrocytes have nucleus

No!

A hemoglobin molecule can carry up to

4 oxygen molecules

Heaviest aspect of blood

Red blood cells

What is blood’s primary component

Plasma

Is plasma replaced quickly

Yes

What does albumin do

Pulls water into itself → no leakage (no water loss)

What would body do w/o albumin

Solutes pull water out of blood; bad for body

Most common anemia?

Iron deficiency anemia

RBCs made from

Red bone marrow’s stem cells

Isotonic

same water amount inside/outside cell

Hypertonic

Too much solute OUTSIDE cell → smaller/shriveled cell

Hypotonic

too much solute INSIDE cell → cell bursts

How much blood in body?

5 Liters

One unit =

One pint

Body pumps ____ blood per ___

5 liters, minute

List blood functions

Clotting/gas exchange

List MORE blood functions

stabilize blood pressure/gas exchange

Anemia

Low RBC count

Sickle Cell Anemia

Deformed RBCs → form a sickle → block vessels

Interculated Discs

Helps one RBC tell the other it’s time to squeeze/aka syncronized beats

Where are gap junctions found

Intercalated Discs