Essential Life Processes

Question 1

Metabolism

Answer 1

the sum of all chemical processes that happen in the body

Question 2

Catabolic

Answer 2

chemical breaking down

Question 3

Anabolic

Answer 3

chemical building up

Question 4

Responsiveness

Answer 4

is the body’s ability to detect and respond to changes which might represent and opportunity or threat

Question 5

movement

Answer 5

any motion, from within a single cell to the motion of our limbs

Question 6

growth

Answer 6

the increase in body size due to the increase in existing cells or the number of cells or both.

Question 7

differentiation

Answer 7

is the development from an unspecialized cell to a specialized state

Question 8

reproduction

Answer 8

the creation of new cells

Question 9

Homeostasis

Answer 9

the equilibrium in the body’s internal environment, a dynamic condition meant to keep the body functions within a narrow range

Question 10

bodily fluids

Answer 10

dilute, watery solutions containing dissolved chemicals inside or outside of the cell

Question 11

intracellular fluids

Answer 11

fluids within the cell

Question 12

extracellular fluids

Answer 12

is fluid outside of cells

Question 13

interstitial fluid

Answer 13

fluid between cells and tissues

Question 14

Blood Plasma

Answer 14

the ECF within blood vessels

Question 15

Lymph

Answer 15

the ECF within lymphatic vessels

Question 16

Cerebrospinal fluid

Answer 16

is the ECF in the brain and spinal cord

Question 17

synovial fluid

Answer 17

the ECF within joints

Question 18

Aqueous humor

Answer 18

the fluid within the eyes

Question 19

Control of homeostasis is challenged by

Answer 19

physical insults such as heat
internal environment such as drop in blood glucose
physiological stress such as demands from school

Question 20

Receptor

Answer 20

is a body structure that monitors changes in a controlled condition and sends an input to the control center (Afferent Pathway)

Question 21

Control center

Answer 21

sets the ranges of values to be maintained. evaluates input and generates output command (efferent pathway)

Question 22

effector

Answer 22

receives the output and produces a response or effect that changes the controlled condition

Question 23

Negative feedback

Answer 23

reverses a change in a controlled condition

Question 24

positive feedback

Answer 24

reinforces a change in one of the body’s controlled conditions. childbirth and blood clotting are the only examples