Describe why the circulation in humans is called double circulation?

In double circulation there is complete segregation of oxygenated and deoxygenated blood. Because of this the blood passes twice through the heart in one cycle of circulation hence the name double circulation. This is necessary for optimum oxygen utilization as humans are warm blooded animals and need extra energy to maintain their body temperature

mammals have double circulation which means that during one circulation blood passes twice through the heart. It is necessary because double circulation is important in humans because it keeps oxygenated and deoxygenated blood separate and moreover it circulate blood to organs efficiently.

double circulation means blood flows through the heart twice. first circulation is completed when deoxygenated blood is brought to heart and is further pumped to lung for oxygenation. the second circulation pathway is from lungs to heart and then back to the body. so double circulation is important as it helps in oxygenation of blood.

Mammalian heart including man is two pumps in one consisting of four chambers. Humans have an efficient double circuit circulation i.e., pulmonary and systemic.

if they had one circulatory system the blood will no flow to the rest of the body, thus getting loss of blood and death

Systemic circulation and Pulmonary circulation

When coronary circulation is prevented in humans the result is a heart attack. The function of the coronary circulation is to nourish tissues of the heart.

The double circulatory system of blood flow references two distinct and separate systems. This distinction is shared by most vertebrates to varying degrees to include amphibians, birds and mammals (including humans.)

The grasshopper has four chambers in its heart just like humans. However the circulation is different and the chambers are called sinuses.

http://science.jrank.org/pages/1501/Circulatory-System.html

The type of circulation liquid being carried out is bloos the person that gave this answer is Melissa Monique maldanaldo

Pulmonary circulation flows between the heart and the lungs in order to oxygenate the blood. That freshly oxygenated blood returns to the heart and the systemic circulation will deliver that oxygen to the rest of the body tissues.

Animals have a circulation that humans don't have

Double circulation allows for a pressure increase after gas exchange occurs. In single circulation, the blood goes from the heart to the gill capillaries. Since these are so thin the starting pressure must be low so the capillary membranes don't leak. This causes less perfusion of gases into the tissues after the blood leaves the gills. Evolution solved this problem through double circulation, which began with lungfish. They have a partially divided heart which seperates…

Coronary circulation is blood flow to the muscles of the heart. Without a working heart, the baby would die.

they are basically the model of humans that walk on their hands and feet. they have something called pivot joins that are basically double joints>

All cartilage, and the outer layers of the skin.

Is this is serious question..... the same why any other horse would, whether they're stabled/field kept/wild they all get oxygen the same way. They breathe it in(nose). Basically the same way we do. Basically by breathing. However humans have a double circulation system, and I think horse (like fish) only have a single circulation system. Not 100% sure about that bit though.

To allow circulation of the blood through the body. This allows us to keep warm.

No, the heart and other organs do that as part of the usual circulation.

It depends on the organisms. In humans there are 46 double chromosome, which are called sister chromatids. There are a total of 92 sister chromatids, which will eventually separate into individual chromosomes during anaphase of mitosis.

Why is a "bush" or "tree" a more accurate than a line to describe how hominids developed into modern humans.

Other stories show humanity's double nature, meaning they are capable of both good an evil

People who eat people are called cannibals, the term used to describe the practice of eating human flesh is cannibalism. The terms (Caníbales) come from the Spanish explorers' name for the Caribs, a tribe in the West Indies who practiced cannibalism.

name two describe two kinds of clouds by humans

A heart attack due to the lack of oxygen in the muscles that pump blood

Yes it is very good so you are breathing different air not the same toxic air

While that can describe humans, it is likely that the answer is a bird.

humans vs. aliens, awesome carnage

A group of humans is called a group, crowd or assembly.

Homo sapiens

Simply no one knows exactly WHY God called us humans. Only God knows why we are called humans. Some people believe somethings that why we are called humans,but we cant be sure.

Humans are primates.

The fetal circulation is the circulatory system of a human fetus, often encompassing the entire fetoplacental circulation that also includes the umbilical cord and the blood vessels within the placenta that carry fetal blood. The fetal circulation works differently from that of born humans, mainly because the lungs are not in use: the fetus obtains oxygen and nutrients from the mother through the placenta and the umbilical cord.

carnivores omnivores reproducers

they are cute, creatures that are afraid of humans cute furry

Excercising to build muscle.

the homo habilis were called the the handy men, the homo Erectus were called the upright humans because they had straight bodies like humans, the Neandrathals were called the wise humans aka homo sapiens, the cromagnons were called the modern humans.

The importance is equal as all the other heart parts. See below: The right ventricle pumps blood into the pulmonary circulation (very important) and the left ventricle pumps blood into the systemic circulation through the aorta(also vital, very important) From Wikipedia: In a four-chambered heart, such as that in humans, there are two ventricles: the right ventricle pumps blood into the pulmonary circulation to/for the lungs, and the left ventricle pumps blood into the systemic…

The"zoonosis" is not so much a "disease" itself specifically, but more a term used to describe lots of different diseases that normally make animals sick, but can make humans sick too. They are transferred, in one way or another, from animals to humans, or the opposite, from humans to animals, and this is sometimes called "reverse zoonosis". The animals carrying the diseases can be wild or domesticated animals, and the infection can be air-born or…

what do you called a story that animals can talk like humans

they break down cellulose (plant starch) that humans cannot digest they break down lactose with lactic acid, that humans do not produce

They are still called humans. I think you mean non-magic people in which case they are called Muggles.

Humans are called homosapiens because they have evolved from single or same specie called Hazrat Adam(a.s.).

the effects of humans on the ecosystem with the emphasis

She gave humans the olive tree, the double pipe, and many other inventions.

Something from nature that humans use is called "Natural resource."

The 23rd pair of chromosomes in humans are called the sex chromosomes.

Something from nature that humans use is called "Natural resource."

Humans are omnivores. Humans that eats vegetables only are called vegetarians.