What are the three ways human blood circulates through the body? (Can you explain each?)
Closed, Double, Complete
Why do oxygenated blood and deoxygenated blood never mix?
Because they run though different cardiac chambers.
Explain the two heart sounds you hear when your heart is beating.
The first sound - when the atrioventricular valves close. The second sound - when the semilunar valves close.
Define excretion.
The elimination of the waste products resulting from the metabolic activity of cells.
How is lymph moved through the body?
By contractions of the skelatal muscles
Name the three systems that preform excretion.
1. urinary system 2. respiratory system 3. liver
About how many lymph nodes are found in our body? Name the three parts of our body that contain the most lymph nodes.
Our body has between 500-700 lymph nodes. The greatest concentration of lymph nodes can be found in the GROINS, ARMPITS, AND NECK.
Explain what LYMPH is made up of.
Proteins, fats, white blood cells (and sometimes microorganisms that are eliminated when they pass through the lymph nodes).
Name the tube that connects the blader to the outside of your body.
Urethra
Explain SYSTOLE.
When the the cardiac muscle contracts and push blook into the following chamber or artery.
The kidney contains approximately one million of these? What are they and what is their function?
Nephrons are functional and structrual units that filter the blood and produce urine.
What do lymph nodes contain and what is their function?
They contain white blood cells and they destroy microorganisms that are in the lymph.
Explain DIASTOLE.
When the atria or the ventricule are receiving blood from the previous venae or chamber.