“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

The future for teen moms can be compromised due to the demands of parenting.

Check all that occur during ventricular systole. a. the av valves open to allow blood to enter the ventricles from the atria. b. the av valves open to allow blood to enter the ventricles from the atria. c. the semilunar valves remain closed throughout systole to prevent backflow of blood into the ventricles. d. the semilunar valves remain closed throughout systole to prevent backflow of blood into the ventricles. e. the semilunar valves open to allow blood to flow into the large arteries. f. the semilunar valves open to allow blood to flow into the large arteries. g. the av valves close to prevent backflow of blood into the atria.

By signing the patient’s ehr with the digital signature, the provider certifies that all data and information in the patient ehr is: