Answer:
Moist walls - gases dissolve in the moisture helping them to pass across the gas exchange surface. Permeable walls - allow gases to pass through. Extensive blood supply - ensuring oxygen rich blood is taken away from the lungs and carbon dioxide rich blood is taken to the lungs.
Answer:The epicenter is the point on the surface of the Earth directly above the hypocenter of an earthquake. The hypocenter is the place where the rupture of the plate boundary that led to the earthquake first happened.hope this helped:)
<span>B. Covalent bonds because the carbon likes to share its electrons with the hydrogen atoms</span>
Answer:
They'll form a mesh that plugs what ever injury. The platelets can change its round shape to a spiny shape and will release substances that entrap more platelets. Proteins will enlargen and become a Blood Clot.
