Which of these body systems is made up of the tissues and organs responsible for collecting fluid that leaks from the blood and returning it to the blood?

A excretory system

C endocrine system

B cardiovascular system

D lymphatic system

the circled areas are referred to   as sunspots.   the sunspots are cooler than the   surrounding area.

sunspots are temporary phenomena on the photosphere of the sun that appear visibly as dark spots compared to surrounding regions. they correspond to concentrations of magnetic field flux that inhibit convection and result in reduced surface temperature compared to the surrounding photosphere.