Asystem is a group of related parts with specific goals that work together to achieve and observe result. if a body system, such as the digestive system, they owed to work properly, what would happen to the organism a. the organism would not be able to function properly b. the other organ system would compensate for the defective system c. he organism would immediately evolve so that defective system is no longer necessary d. the defective system what would regenerate into a new, working system

Name the type of chemical that speeds up digestion

Which is an advantage of having memory cells when a pathogen is encountered for a second time. a) the memory cells are what proliferate into clones of cells in response to the binding of an antigen. b) memory cells are vital to the primary immune response in that they immediately recognize pathogens even at the first encounter. c) memory cells are essentially effector cells that are short lived and attack antigens even without having a receptor specific to that antigen. d) it ensures that more lymphocytes with a receptor specific to a particular antigen will be present than in a host that had never encountered that pathogen.

Discuss the functions of epithelial connective nerviud and muscular tissues