“Our digestive system is designed with a …”

A. Unidirectional body plan with a series of compartments and two openings

B. Bidirectional tube that has a central body cavity and one opening

C. Bidirectional tube with separate compartments and two openings

D. Unidirectional body cavity with one opening in the middle of the body plan

PLEASEE HURR

Frankie is having difficulty developing a friendship with histeammate curtis. whenever frankie invites curtis to hangout with him at the park, curtis always says that he's busy. what is most likely preventing a healthy relationship fromforming? a)the boys are not being generous with their time andeffort. b)the boys are not communicating. c)both boys are too busy. d)the boys are on different teams.

Which of these is a controllable risk fator for disease

Effective antiviral drugs are usually associated with which of the following properties? a) interference with viral replicationb) prevention of the host from becoming infectedc) removal of viral proteinsd) removal of viral mrnas