Joelle was recently hired by a childcare facility near her house. On her first day, she was put in charge of feeding the infants
breakfast. Unfortunately, she was reprimanded after giving a three-month old baby a big helping of baby cereal for breakfast. Why was Joelle reprimanded? A.Infant cereal must be provided by the parents and should never be provided by the childcare facility. B.Infant cereal should never be given to babies when they are in the care of a childcare facility. C.Infant cereal should only be given to babies developmentally ready for solid foods, usually at least four months old. D.Babies must be at least a year old in order to safely eat infant cereal.
The cells in the heart need a constant supply of nutrients / oxygen and to get rid of their waste products ans that why it needs its own special circulatory system.
Hormones are carried by the blood stream to their target cell once there they bind to the cell. the answer to your question is they are carried by the bloodstream.