What was c? But I think its A.) a molecule that changes state.
When a virus attacks a cell, it kills the cell and the virus multiplies to spread throughout the body
The jugular veins are the veins responsible for bringing deoxygenated blood from the head to the heart. There are two sets of jugular veins, the internal and external ones. In pigs, the internal and external jugular veins are similar in size, while in humans the internal jugular vein is bigger in diameter than the external.
Answer:do you do
The first line of defense involves which structure(s)?
Explanation:
