Answer: Reproductive problems from imbalanced hormones can occur when abnormal levels of estrogen and androgen sex hormones develop, and can cause infertility and other health issues.
Nervous tissue is made up of neurons and supportive cells. Throughout the human body the neurons carry electrical and chemical signals, while nutrition is provided by the supportive cells.
Immune System is the system that consists of proteins and cells.
Answer: Skeletal muscle is a heavy consumer of energy.
