Which hollow muscular organ stores urine?

Darren was recently ticketed for speeding over 110 mph on the freeway. when the police officer stopped darren and asked him why he was going so fast, he replied that he was "king of the world." the month before this, darren felt sad and listless and had trouble getting up the energy to go to school. he probably suffers from:

The cardiovascular system, which transports blood through the body, is a one-way system. select the best answer from the choices provided. t f

According to bowlby which of the following is not required in order for infants to form healthy attachments with their parents