BIO 251 EXAM 1

BIO 251 EXAM 1 Tissues in the body are classifies into which of the following four types - correct answer-nervous, muscle, epithelial, connective which of the following accurately represents the order of complexity for the body, from least to most complex - correct answer-cells, tissues, organs, organ systems Which of the following compartments contain the most water in the human body - correct answer-ICF Referring to a membrane as "selectively permeable" describes its ability to - correct answer-allow movements of certain molecules across the membrane but restrict the movements of other molecules which of the following is false? - correct answer-the primary mechanism to maintain homeostasis is positive feedback the body fluid compartment with high potassium concentration is - correct answer-ICF ECF is composed of - correct answer-both interstitial fluid and plasma direct communication between cells in contact with one another is accomplished through - correct answer-gap junctions Which type of chemical messenger is released into the bloodstream by an endocrine gland where it can affect target cells throughout the body? - correct answer-hormone in homeostasis mechanisms, a ___ detects change in a regulated variable and sends info to a(n) ____ which relays signal to a _____ - correct answer-sensor: integrating center : effector