In higher animals, there are two primary types of circulatory systems -- open and

Apr 14, 2008 . Open Directory - Kids and Teens: School Time: Science: Living Things: Animals:

The septum is complete in the hearts of birds, crocodiles, and mammals

Humans and other mammals have two-circuit circulatory systems: one circuit is

In contrast, fish have a single circulation system because they do not have lungs.

Circulatory System - Children's Encyclopedia (Ages 8-11). All animals need to

Anatomy of the Domestic Animals Volume 3: The Circulatory System: The Skin

double circulation The type of circulatory system that occurs in mammals, in

Do singlethat has commanded the mammalian system, group of six species

Large animals require a circulatory system so that they are able to efficiently

4. What is the smallest mammal in Alabama and how much does it weigh? . 20.

Feb 9, 2011 . For normal body functions, and to distribute nutrients and other materials

Jul 26, 1995 . Circulatory System, the Skin and the Cutaneous Organs of the Domestic

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THE MAMMALIAN CIRCULATORY SYSTEM To sustain metabolic activity, all

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The human circulatory system functions to transport blood and oxygen from the

Feb 21, 2006 . D4K Dialogue for Kids Banner. D4K home · Joan's Blog . The heart and the

What is the circulatory system? The body's breathing system. The body's system

Oct 1, 2011 . Circulatory System of a Fish The circulatory system of fish is quite simple. Like

In some animals, the fluid is not oxygenated; instead, tissues receive oxygen

The Mammalian circulatory system reveals a complex and harmonious

Prenatal development/Mammalian development of circulatory system (GA 5, TE

In more complex animals, respiration requires a blood circulatory system and

A comprehensive guide to mammals. . Animals A to Zoo . . This, along with a

Mar 21, 2012 . The circulatory system takes food and air from outside your body and brings it all

Animals with many cell layers cannot rely on diffusion because cells several . In

Nov 10, 2009 . The Wikibook entitled The Anatomy and Physiology of Animals is designed .

A circulatory system (sometimes cardiovascular system) is an organ system that

The elephant circulatory system is built to accommodate the nutritional and

Apr 3, 2007 . A simple but effect animation how the heart works Discaimer: A single copy of

Small animals may not need a circulatory system because the interior cells are

Circulatory & Vascular Systems Some simple animals don't have real circulatory

The circulatory system is an organ system that passes nutrients (such as amino

Circulatory System - Children's Encyclopedia (Ages 8-11). All animals need to

Your kidneys are not only a part of your excretory system; they also have specific

Because they breathe less frequently than land mammals, killer whales conserve

All animals require both respiratory and circulatory systems to survive. . The

Free online games for kids and adults. . but occasionally they hunt small

Sep 18, 2011 . Diagram 8.12 - The mammalian circulatory system. The tubes through which the

mammal, Circulatory system, Britannica Online Encyclopedia, In mammals, as in

Birds have high-pressure cardiovascular systems like mammals, but have

Apr 13, 2010 . Topic: Circulatory system in mammals. Objective At the end of the lesson the

The body, as in other mollusks, has a nervous system, a circulatory system, and a

BiologyCirculation in Animals. Top . The mammalian heart is 4 chambered and

The circulatory is a system of vessels that pass through your entire body. You

The mammalian respiratory system and critical windows of exposure for

Jul 12, 2010 . To define the circulatory system, it is the comprehensive network within our . All

A double circulatory system allows blood returning from the lungs to have an

Sponges are primitive multicelluar animals that have no digestive system, no

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