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Capillaries . The smallest of the blood vessels: capillaries.

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Q: What are the tiny blood vessels that wrap around the air sacs?
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how does oxygen get in your blood?

Inside the air sacs, oxygen moves across paper-thin walls to tiny blood vessels called capillaries and into your blood. A protein called haemoglobin in the red blood cells then carries the oxygen around your body.


What Carbon dioxide is removed from the bloodstream by?

lungs


What is the advantage of the structure of the lung tissue?

The tiny sacs insure that the maximum area of tissue can be in close contact with the blood vessels to facilitate gas transfer


What are tiny blood vessels in the human called?

There are three types of blood vessels; arteries, veins, and capillaries. Capillaries are tiny blood vessels.


Why are nephrons surrounded by tiny blood vessels?

Why are nephrons surrounded by many tiny blood vessels


What are the tiny sacs that exchange gas with the blood?

alveoli


What are the tiny sacs found within the terminal button which release chemicals into the synapse?

The tiny sacs in the synaptic knob are known as synaptic vessels. The synaptic vessels release chemicals into the bloodstream with each synapse.


The tiny air sacs in the lungs that take oxygen from the air and put it into the blood?

These tiny air sacs are called alveoli. These alveoli are surrounded by capilaries tiny blood vessells. These capilaries have holes that are to small for blood cells to escape but are big enogh for oxygen molecules to pass in to the blood stream and attach to the haemoglobin in your blood.


Which blood vessels are tiny?

Capillaries


What Tiny blood vessels?

capillary


Tiny thin blood vessels where carbon dioxide are exchanged?

I believe the tiny blood vessels are called capillaries, located in the lungs.


Why is there tiny veins in air sacs?

The thin walls of the blood vessels are capillaries around the alveolar sacs that permit diffusion of gases in every single red blood cell with oxygen inhaled ... they are thinner to improve the pressure gradient to allow more O2 in the capillaries, because the pulmonary capillaries have the lowest blood pressure in the body (normally)