Your answer is D. All the above
The circulatory system is system in the human body that provides a network through which our blood flows constantly.The human cardiovascular system is considered closed because there are no holes for blood to enter or leave the system. Correct answer: D
In the closed circulatory system the blood stays confined within the vessels and heart.
Developmental Milestones are markers that are set forth by early childhood experts as a tool to measure a child’s growth in four primary areas of development
Speech/Language
Cognitive/Intellectual
Social/Emotional
Fine/Gross Motor development
The importance of Developmental Milestones is two-fold. It validates and reassures parents that they are providing the skills, information and ideas needed to raise a happy, healthy, well adjusted child. It also helps provide a child and their family with some extra support, through early childhood intervention, when needed, so a child can meet their full potential.