Lecture 1: into + homeostatic regulation

Question 1

bodies levels of organization

Answer 1

atoms/molecules
cells
tissues
organs
organ systems
whole body

Question 2

nervous tissue

Answer 2

contains neurons which conduct electrical impulses and supporting glial cells

Question 3

epithelial tissue

Answer 3

provides protection and regulates which material pass across body surfaces

Question 4

muscle tissue

Answer 4

contains fibers than contract

Question 5

connective tissue

Answer 5

consists of cells arranged in an extracellular matrix

Question 6

dynamic equilibrium

Answer 6

levels change over short periods of time, but remain relatively constant over long periods of time

Question 7

components of homeostatic reflex

Answer 7

receptor –> afferent pathway –> integrating center –> efferent pathway –> effector

Question 8

set points change with

Answer 8

circadian rhythm

Question 9

clashing demands

Answer 9

acting to preserve one set point can have effects on others

Question 10

long term BP regulation

Answer 10

changing body water volume

Question 11

acclimatization

Answer 11

another long-term change that promotes homeostasis

Question 12

altitude

Answer 12

several changes from immediate to weeks

Question 13

concept of homeostasis implies that

Answer 13

physiological values can fluctuate in the short term but remain steady when averaged over a long time period