D, Mucous membranes are not within the body, thus they are the first of all the options that would encounter pathogens.
Answer:
1. transfer of heat through direct contact
2. caused by current transferring heat in a fluid
3. transfer of thermal energy by electromagnetic waves
independant variable: a variable (often denoted by x ) whose variation does not depend on that of another.
dependant variable: a variable (often denoted by y ) whose value depends on that of another.
to conduct an investigation you must gather your data and background information
A semipermeable membrane is any biological or synthetic membrane that allows certain molecules or ions to pass through while restricting others.
Answer:
For cells in the body that replicate, they undergo mitosis to produce two identical daughter cells from one stem cell. These cells are going through a cycle, called the cell cycle, with several stages leading to the formation of daughter cells. The longest stage, and the one in which most cells are found, is called interface