Lymphedema is caused by an excess of lymph in the body tissues. the condition is common after surgery when lymph nodes have been removed or damaged. symptoms can be temporary or lifelong. explain why damage to or the removal of the lymph nodes cause the symptoms you see in the image.

Fossils can only be formed when? if mud, silt or tar is in the area to preserve the fossil ierosion does not occur and allows the fossil to form oxygen and microorganisms cannot decay the bones the area is dry and does not contain mud or silt

What sentence best supports the statement that hormones are involved in the regulation of homeostasis? a. the hormone erythropoeitin increases the production of red blood cells when oxygen levels are low. b. the hormone oxytocin promotes labor contractions of the uterus during childbirth. c. the hormone melatonin induces sleep and its production is slowed by exposure to light. d. the hormone cortisol suppresses the immune system and is produced when the body is under stress.

Which zone within the open-ocean zone is home to the most organisms? deep zone surface zone intertidal zone transition zone