### substance | blood:

Menstrual blood
* makes the vagina much more alkaline, allowing bacteria to grow more easily.
* rich environment in which bacteria and viruses can grow very quickly.

Menstrual flow
* is blood
* sloughs off part of the endometrium.

### substance | blood:

Oxygenated blood
* enters a liver sinusoid from a branch of the hepatic artery.
* flows at relatively high pressure through our bodies in arteries.
* is bright red in colour
  - carried to the kidneys by renal arteries
  - distributed throughout the body from the liver
  - higher in oxygen and lower in carbon dioxide than deoxygenated blood
* is pumped from the left ventricle and circulates throughout the body
  - to the various organs and tissues of the body
  - red, deoxygenated blood is blue
  - returned to the heart by pulmonary veins
  - sent to the body through the anastomosed aorta and pulmonary trunk
  - supplied in the hepatic artery
  - transported by the respiratory system from lungs to tissues throughout the body
* returning in the pulmonary vein flows into the left atrium.
* returns to the left atrium in the pulmonary veins , through the bicuspid valve.

Red blood
* cellsare tiny,disc-shaped cells that lack a nucleus.
* is colored by energizing winds ever flowing and blowing round the world.

Thicker blood
* flows more slowly to our brains.
* has a greater tendency to clot, thereby increasing the risk for stroke.
* is harder to pump.

### substance | blood:

Venous blood
* carries less oxygen than arterial blood.
* cooled in nasal passage then passes over arterial creating gradient.
* is blood that is returning to the heart through blood vessels called veins
  - cooler than arterial blood
  - dark red or crimson and flows steadily from a cut vein
  - darker in color than arterial blood because of the difference in dissolved gases
  - drained by the testicular veins
  - obtained from a vein by venipuncture
  - really dark red or maroon in color
  - taken from a easily accessible vein either in the arm or hand
* leaves at the hilus
  - both the superior and inferior vena cava and enters the right atrium
  - the region in veins that course alongside the arteries
* returns to the heart via the jugular veins.

Warm blood
* Most warm blood passes through blood vessels
* flows into the capillaries, helping to lose excess body heat into the environment.
* makes their eggs hatch more efficiently.

### substance | blood:

Whole blood
* Most whole blood contains mg irons.
* combination of blood cells and liquid.
* contains all four components and is sometimes used to treat acute hemorrhage patients
  - collected through a needle placed in an arm vein
  - comprised of cellular and fluid components
  - made up of plasma, red blood cells, white blood cells and platelets
  - passed through a centrifuge to separate cells from plasma
  - preferred for molybdenum
  - removed from the body and red and white blood cells are separated from the plasma
  - the most potent expander of the intravascular space

Blubber
* Some blubber acts as protective barriers.
* Some blubber helps body heat
* acts as insulation.
* consists of layers.
* includes atoms.
* includes chemical chain
  - groups
* provides insulation.

Bodily fluid
* Some bodily fluid contains pathogen.
* are tough on sleeping bags.
* regulates blood pressure