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In alveoli: molecular oxigen - go in (to blood vessels) Carbon dioxid - go out (from blood vessels) In Cells: molecular oxigen - go in (to mitochondrion) Carbon dioxid - go out (from mitochondrion & cytoplasm)
They are called capillary vessels. Some are so narrow that hemoglobin cells have to queue to go through them.
red blood cells: go around your body white blood cells: are antibodies that destroy bacteria and microbes in your body
No, Cells cannot move around in your body. But when your cells die, they go to the surface of your skin. When you scratch your skin, the dead skin falls off, and news cells replace the dead cells.
Both, animal and plant cells have a cell membrane. It is semi permeable. This means it only lets certain things in and certain things out. For instance, oxygen or H20 ( water ) need to go in to a cell. The cell membrane allows these to go in as they are needed and they are the right "size". But through osmosis( google it if you are unsure what it is ) water may move out of a cell. To answer your question substances travel in and out of cells.
They die in the vessels, but the spleen has special cells that go to dissolve the dead red blood cells. We actually excrete them when we go to the toilet its the dead blood and bile juices that give the excrement the dark brown look.
They move into mitochondria. There O2 is used for aerobic respiration
waiting to find out
go to the body cells, after that it returns to the capillaries, but the fluid that doesn't diffuses into the lymph vessels (when it goes into the lymphatic vessels it's called lymph) and goes back to the heart.
no they can carry anything that they get from other systems, such as poison can go into the blood stream
No, capillaries are what allows substances to go from the walls of the small intestine into your cells. Veins are what carry the blood (with cells inside) to the heart to be oxygenated.
go on with the fast......moving things...move as fast as the day and time is running on.........