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Circulatory Notes Page

Page history last edited by PBworks 12 years, 1 month ago

Circulatory System

By Andrew, Carson, John, and Luciano  

 

Intro

 

The purpose of the Circulatory System is very simple. It is one of the many systems inside your body that keeps you alive. The Circulatory system circulates nutrients, gases, and wastes. The Circulatory system has many parts that keep it running. 17 parts to be exact. Without these parts the Circulatory system would not be able to run. The main parts are the Heart, the Arteries, and the veins. There are three types of circulation throughout the Circulatory System. Cornary, Systemic, and Pulmonary circulation.

 

Here are some Vocabulary Words that have to do with the Circulatory System.

 

 

Circulation – the process of the vessels and muscles that help and control the flow of the blood around the body

 

Oxygen – an element humans and animals need to survive. It is what we breathe. It allows us to keep living

 

Carbon Dioxide – a waste product that is removed from the blood and replaced with fresh oxygen 

 

Oxygen - an element that humans and animals need to breathe. it is clearless, gaseous, and odorless.

 

Coronary circulation – a series of blood vessels within the heart itself that brings in nutrients and gets rid of waste

 

Pulmonary circulation – the flow of blood through the heart to the lungs. In the lungs the blood drops off Carbon Dioxide so that the lungs can breathe it out. It then picks up the oxygen that comes into the lungs when you breathe in. The oxygen rich blood then goes back to the heart.

 

Systemic circulation – systemic circulation uses all the major veins and blood vessels to bring oxygen rich blood to all the other organs and body tissue. The blood drops off the nutrients and oxygen supplying the organs with what they need to disposal do their job. It then picks up Carbon Dioxide and other waste to bring it away for.  

 

What is the Circulatory System?

 

Blood circulates through your body with a series of blood vessels. The series of blood vessels are miles and miles long. Heart + Blood + Blood vessels = the circulatory System. The Circulatory System is also known as the Cardiovascular System.  The heart is the middle of The Circulatory System. It is a muscle that pumps blood through the body and it handles three types of circulation.

 

The blood returns to the heart, then to the superior vena cava, then to the inferior vena cava then starts over.

 

 

Parts of the Circulatory System

 

Jugular Veins – Receive blood from brain, tissues of head, neck, shoulders, and arm

 

Superior Vena Cava – Receives blood from veins of upper body

 

Pulmonary Veins – Deliver oxygen-rich blood from the lungs to the heart

 

Hepatic Portal Vein – Delivers nutrient-rich blood from small intestine to liver for processing

 

Renal Vein – Carries processed blood away from the kidneys

 

Inferior Vena Cava – Recieves blood from all veins below the diaphragm

 

Iliac Vein – Carry blood away from the pelvic organs and lower abdominal wall

 

Femoral Vein – Carries blood away from the thigh and inner knee

 

Carotid Arteries – Deliver blood to head, neck, and brain

 

Ascending Aorta – Carries oxygen-rich blood away from the heart, the largest artery 

 

Pulmonary Arteries – Delivers oxygen-poor blood from the heart to the lungs

 

Coronary Arteries – Service the incessantly active cardiac muscle cells

 

Brachial Arteries – Delivers blood to arm, hand, and blood pressure is measured there

 

Renal Arteries – Delivers blood to the kidneys for adjustments in volume, and compositions

 

Abdominal Aorta – Delivers blood to arteries leading to the digestive tract, kidneys, pelvic organs, lower limbs

 

Iliac Arteries – Delivers blood to the pelvic organs, and lower abdominal wall

 

Femoral Artery – Delivers blood to the thigh and lower knees

 

 

So, what does the Circulatory System do? What is the purpose?

 

The purpose of the Circulatory system is a simple thing to understand, but it plays a huge part in keeping you alive and breathing. Basically the Circulatory System is the way your body circulates nutrients, gases, and wastes threw your body.  The circulatory system consists of three main things, the heart, the vessels and the blood. The heart is the pump, the vessels are the tubes and the blood is the circulating fluid. As blood begins to circulation it leaves the left ventricle and enters the aorta. The aorta is the biggest artery in your body! The blood leaving the aorta is full of oxygen. The oxygen-filled blood is needed for the brain and other organs to do their work. The blood travels to every single artery in the body. On the blood's way back to the heart, the blood travels through the veins. When it reaches the lungs, the waste product and carbon dioxide, is removed from the blood. It is replaced with fresh new oxygen that we have inhaled from our blood.

 

 

 

 

 

 

How the Circulatory system works together with the Respiratory system.

 

 

 

 

 

 

 

 

 

 

 

Comments (1)

Anonymous said

at 10:15 am on Jun 11, 2008

What are we up to now? What did I miss? Carson

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