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Where in a mammal's body does the oxygen enter the bloodstream?
Oxygen enters the bloodstream through the alveoli in the lungs. When you breathe, oxygen from the air diffuses across the thin walls of the alveoli into the surrounding capillaries, where it binds to hemoglobin in red blood cells for transport throughout the body.
Are the capilliaries in the lungs?
There are many capillaries in the lungs. These small blood vessels are the site of gas exchange in the alveoli.
Site of alveolar-capillary oxygen exchange?
Within the lungs.
What is the site where oxygen enters the pulmonary blood?
Oxygen enters the blood in the alveoli of the lungs
Where is the site for gaseous exchange?
The site for gaseous exchange is the lungs. Carbon dioxide is exhaled and is substituted for oxygen which is inhaled.
What is the actual site of gas exchange between lungs and the blood?
The alveoli
What has lungs to breathe and gills to breathe underwater?
A salamander has both lungs and gills to breathe underwater. I found a good site if you want to read more about them.
What type of blood vessel is an aveolus?
Aveloli are the structures within the lungs, at the terminal end of bronchioles. They are not blood vessels. Aveoli resemble a cluster of grapes hanging off the smallest branches of a tree, with the tree upside down. The main bronchus in the upper chest is like the tree trunk, the bronchi branch and thin to bronchioles, then end at the aveoli. There O2 and CO2 exchange takes place.
Why does a baby needs working lungs?
I Donna go to another site xoxo loool
What sort of blood vessels are surrounding the air sacs in your lungs?
Capillaries are the blood vessels that surround the alveoli, or air sacs, in your lungs. These capillaries are the site of gas exchange.
What is the initial site for respiration?
The initial site for respiration is in the lungs, where oxygen is inhaled and carbon dioxide is exhaled. Oxygen enters the bloodstream through tiny air sacs called alveoli in the lungs, where it is then transported to cells throughout the body to support cellular respiration.
Which lung pumps blood?
Lungs do not pump blood. They are the site of gas exchange between capillaries and alveoli.
