Answer:
D. respiratory membrane
Explanation:
The "alveolar walls" and the "pulmonary capillaries" are part of the <em>Respiratory System</em> of the human body. They form the respiratory membrane/respiratory surface (a very thin layer), which makes the exchange of gases possible. It functions by <u>separating the air from the blood</u>. This enables oxygen to enter our body and for carbon dioxide to go out of the body. It makes the gas exchange efficient and fast. This movement is called <em>"diffusion."</em>
Answer:
HTML attributes are special words used inside the opening tag to control the element's behavior. HTML attributes are a modifier of an HTML element type. An attribute either modifies the default functionality of an element type or provides functionality to certain element types unable to function correctly without them.
Explanation:
Answer:
i dont know ask the calc to do it. hehe
Explanation:
Answer: Date
Explanation: We receive new information everyday, and things are always changing. If something is old, it may need to be updated with the correct information