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in mammals, what structure ensures the exchange substances between the embryonic and material blood circulation

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9y ago

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The structure that surrounds the yolk and transports nutrients to the embryo is what?

The structure that surrounds the yolk and transports nutrients to the embryo is called the vitelline membrane. This membrane is responsible for facilitating the exchange of nutrients and waste products between the yolk and the developing embryo during embryonic development.


What is the membranous sac into which an embryos wastes are excreted called?

Anatomical terminology. The allantois (plural allantoides or allantoises) is a hollow sac-like structure filled with clear fluid that forms part of a developing amniote's conceptus (which consists of all embryonic and extra-embryonic tissues). It helps the embryo exchange gases and handle liquid waste.


What is the exchange of matter through the biosphere called?

The exchange of matter through the biosphere is called biogeochemical cycling. This process involves the circulation of substances like carbon, nitrogen, and phosphorus among living organisms and the abiotic environment.


What is the Circulatory system that provides the exchange of oxygen called?

systemic circulation


What is the structure of foreign exchange market in Pakistan?

visit this linkhttp://thefutureofmoney.blogspot.com/2009/09/structure-of-foreign-exchange-market.html


How does fetal circulation differ from the circulation pattern after birth?

In fetal circulation, the placenta provides oxygen and nutrients to the fetus, so the lungs are not used for oxygen exchange - instead, a bypass called the ductus arteriosus shunts blood away from the lungs. After birth, the lungs take over oxygen exchange, the ductus arteriosus closes, and the foramen ovale between the atria closes, redirecting blood flow through the heart to support pulmonary circulation.


Why circulation takes place in animals and plants?

To exchange gases such as co2 and o2


How are substances exchange between the different human body systems?

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The blood vessels that exchange substances with the nephron?

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Describe how the placenta is adapted for the exchange of substances?

iya ladddddddd


What can you do with the currency notes that is out of circulation?

Currency notes that are no longer in circulation are typically considered collectors' items. You can sell them to collectors, keep them as mementos or displays, or exchange them at certain banks or currency exchange offices that may accept them for a limited time.


Does the exchange of substances happen next to the blood capillaries?

this is a false statement blood capillaries do not exchange in diffrent part of your body