Human Physiology Exam 100% solved

Human Physiology Exam 100% solved Glands are derived from... - answerEpithelial tissue Cells joined tightly together are characteristic of... - answerEpithelial tissue Cells are separated by large extracellular spaces in the... - answerConnective tissue Blood vessels and nerves are usually located within... - answerConnective tissue Most organs are composed of... - answerEpithelial, Muscle, and Connective tissue Sweat is secreted by exocrine glands. This means that... - answerit is secreted into a duct. Which of these statements about homeostatis is true? a. The internal environment is maintained absolutely constant b. Negative feedback mechanisms act to correct deviations from a normal range within the internal environment. c. Homeostatis is maintained by turning effectors on and off. d. All of these are true - answerB In a negative feedback loop, the effector organ produces changes that are.... - answeropposite in direction to the change produced by the initial stimulus. A hormone called parathyroid hormone acts to help raise the blood calcium concentration. According to the principles of negative eedback, an effective stimulus for parathyroid hormone secretion would be... - answera fall in blood calcium. Which of these consists of dense parallel arrangements of collagen fibers? a) skeletal muscle tissue