Introduction

Question 1

• The study of the biological functions of organs and their interrelationships?
• STUDIES INTERPLAY OF FACTORS THAT AFFECT
  GROWTH

Answer 1

Physiology

Question 2

Father of Modern Physiology

Answer 2

Claude Bernard (1813-1878)

Question 3

observed that the internal environment remains remarkably constant despite changing conditions in the external environment.

Answer 3

Claude Bernard

Question 4

An American physiologist that coined the term “Homeostasis” in 1932

Answer 4

Walter Cannon (1871-1945)

Question 5

Stable internal environment

Answer 5

Homeostasis

Question 6

Two types of Physiology

Answer 6

1. Integration
2. Homeostasis

Question 7

Nutrients and oxygen
are distributed by the ___

Answer 7

Blood

Question 8

Metabolic wastes are
eliminated by the _____

Answer 8

Urinary and Respiratory Systems

Question 9

Binds together or supports cells, other tissues/organs

Answer 9

Connective Tissue

Question 10

• Contracts on stimulation
• Movement, posture and heat production

Answer 10

Muscle (contractile) tissue

Question 11

Conducts nerve impulses throughout the body

Answer 11

Nerve Tissue

Question 12

• Covers all body surfaces; lines all cavities; forms glands
• Protective barrier against the environment

Answer 12

Epithelial Tissue

Question 13

Major Organ Systems

Answer 13

1. Integumentary
2. Skeletal
3. Muscular
4. Circulatory
5. Lymphatic
6. Respiratory
7. Digestive
8. Urinary
9. Reproductive
10. Nervous
11. Endocrine

Question 14

1. DYNAMIC EQUILIBRIUM
2. INSPITE OF MULTIPLE
   STIMULI
3. MAINTAINED BY
   NEGATIVE FEEDBACK

Answer 14

HOMEOSTASIS

Question 15

the ability to maintain a relatively
stable internal environment in an ever-changing
outside world

Answer 15

Homeostasis

Question 16

The body is in a dynamic
state of equilibrium

Answer 16

The internal environment

Question 17

interact to
maintain homeostasis

Answer 17

Chemical, thermal, and neural factors

Question 18

Produces
change
in variable

Answer 18

Stimulus

Question 19

Information
sent along
afferent
pathway to

Answer 19

Input

Question 20

Information sent
along efferent
pathway

Answer 20

Output

Question 21

Response of effector feeds back to influence magnitude of stimulus and returns variable to

Answer 21

Homeostasis

Question 22

Regulation of
homeostasis is
accomplished
through _____ and _____

Answer 22

Nervous and Endocrine systems

Question 23

DETECTS CHANGES (STIMULI)
IN THE BODY.

Answer 23

RECEPTOR

Question 24

DETERMINES A SET
POINT FOR A NORMAL RANGE.

Answer 24

CONTROL CENTER

Question 25

CAUSES THE RESPONSE
DETERMINED BY THE CONTROL CENTER.

Answer 25

EFFECTOR

Question 26

A regulatory mechanism in which a
change in a controlled variable
triggers a response that OPPOSES
the change.

Answer 26

Negative Feedback

Question 27

• decreases the intensity of the
  stimulus or eliminates it
  .
• causes the system to change in the
  opposite direction from the stimulus

Answer 27

Negative Feedback Mechanism

Question 28

Example of Negative Feedback

Answer 28

Home heating Thermostat

Question 29

• enhances or exaggerates the original stimulus so that activity is accelerated.
• results in change occurring in the same direction as the original stimulus
  .
• usually control infrequent events such as blood clotting or childbirth

Answer 29

Positive Feedback

Question 30

• Does not maintain homeostasis.
• Characterized by being short in duration, and infrequent

Answer 30

Positive feedback

Question 31

Diseases that cause homeostatic imbalances

Answer 31

1. chills
2. fever
3. Elevated white blood counts

Question 32

Reduces our ability to maintain homeostasis

Answer 32

Aging due to heat stress