A common way for infectious diseases to spread is through the direct transfer of bacteria, viruses or other germs from one person to another.
Answer:
skeletal system
Explanation:
blood cells are made in the bone marrow, which is part of the bones, which is part of the skeletal system
Because the doctor is concerned about something the person has.
Answer:
Carbohydrates in foods include all sugars (sucrose [table sugar], glucose, fructose, lactose, maltose) and starches (found in pasta, bread, and grains). These carbohydrates can be digested by the body and provide energy for cells.
Protein:enzymes and hormones