Circulation and Excretion Units 3, 4, 5 | Baamboozle - Baamboozle

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.

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What are the three ways human blood circulates through the body? (Can you explain each?)

Closed, Double, Complete

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Name the tube that connects the blader to the outside of your body.

Urethra

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Urine is produced in nephrons in two stages. Name the stages.

Filtration and Reabsorption

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Why do oxygenated blood and deoxygenated blood never mix?

Because they run though different cardiac chambers.

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What do lymph nodes contain and what is their function?

They contain white blood cells and they destroy microorganisms that are in the lymph.

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Name the three things that the lympathatic system consists of -

lymph, lymph nodes, and lymph vessels

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How is lymph moved through the body?

By contractions of the skelatal muscles

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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.

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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).

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Explain DIASTOLE.

When the atria or the ventricule are receiving blood from the previous venae or chamber.

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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.

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Name the three systems that preform excretion.

1. urinary system 2. respiratory system 3. liver

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