More specifically, transmission occurs when the agent leaves its reservoir or host through a portal of exit, is conveyed by some mode of transmission, and enters through an appropriate portal of entry to infect a susceptible host. This sequence is sometimes called the chain of infection.
Answer:
B. +60 mv
Explanation:
Equilibrium potential of ions is the difference of electric potential in the cell membrane that equilibrates the concentration gradient of an ion.
Answer:
D. by exposing the baby to objects of bright colors
Explanation:
Newborns find high contrast colors easier to pick out.
They cannot see far away (more than 30 cm), so answer A is incorrect. Newborn sight is fuzzy and they are just learning to track objects with their eyes, so answer B is also incorrect.
the tissue of the heart may become thicker in an attempt to beat harder due to the increase in blood pressure. It's harder for this thickened tissue to conduct electrical impulses. As a result, your pulse might slow down because it takes longer to transmit electrical impulses
Answer:
Headaches affect almost half of us in the course of a year. The good news is that 90 percent of headaches are "benign." That means they aren't harmful or dangerous to you. The bad news is that 10 percent of headaches are a sign of a serious condition which requires an emergency evaluation.
Explanation:in conclusion it’s safe to never have headaches<3