Which of the following is true about pathogens like shigella e. coli salmonella norovirus and hepatitis

The lungs are a. divided into seven lobes b. divided into nine lobes c. separated by the mediastinum d. connected by the mediastinum

Emotional signs of stress include aches and nausea

What kind of wound occurred when the skin scrapes against a hard surface and tiny blood vessels break in the outer layer of skin