Introduction

Question 1

What is the study of how the body works or functions?

Answer 1

physiology

Question 2

What is the process of cutting up or examination of the structures of the body?

Answer 2

Anatomy

Question 3

What are the 6 levels of organization related to human physiology and anatomy?

Answer 3

1. chemical level
2. cellular level
3. tissues
4. organs
5. organ systems
6. organismal level

Question 4

This is a substance that can’t be split into simpler substances by normal means

Answer 4

element

Question 5

What are the subatomic particles that make up the atoms in elements?

Answer 5

protons
neutrons
elctrons

Question 6

What is a substance composed of more than one atom?

Answer 6

a molecule

Question 7

What are examples of inorganic molecules?

Answer 7

water, oxygen gas, carbon dioxide gas

Question 8

What are characteristics of organic compounds?

Answer 8

-They contain carbon atoms in chains or rings with hydrogen atoms attached.
-They have lots of chemical energy stored in their bonds
- ex: carbohydrates, proteins, lipids, nucleic acids

Question 9

What is the smallest level of organization considered alive?

Answer 9

cells

Question 10

What is an organism with only one cell?

Answer 10

unicellular

Question 11

What are the 4 types of tissue in humans?

Answer 11

epithelium
connective tissue
muscle tissue
nervous tissue

Question 12

What are the 6 characteristics of living things?

Answer 12

1. metabolism
2. responsiveness
3. movement
4. growth
5. differentiation
6. reproduction

Question 13

What is homeostasis?

Answer 13

the internal environment of the body remaining within certain physiological limits.

Question 14

What 2 systems regulate homeostatic mechanisms?

Answer 14

nervous system
endocrine system

Question 15

What are the 3 principal components of a feedback system?

Answer 15

1. receptor
2. control center
3. effector

Question 16

What is a negative feedback system?

Answer 16

one that reverses the original stimulus

Question 17

What is a positive feedback system?

Answer 17

one that enhances the original stimulus

Question 18

What happens if we can’t maintain homeostasis?

Answer 18

a disorder, disease or death can result

Question 19

What is a disorder?

Answer 19

an abnormality of function

Question 20

What is a disease?

Answer 20

an illness characterized by specific signs and symptoms

Question 21

What are symptoms?

Answer 21

subjective changes in body function that are not observable

Question 22

What are signs?

Answer 22

changes that can be observed and measured

Question 23

What is the fluid found inside cells?

Answer 23

intracellular fluid or cytosol

Question 24

What is the fluid surrounding cells

Answer 24

extracellular fluid

Question 25

What are examples of extracellular fluid?

Answer 25

plasma
interstitial fluid
lymph
cerebrospinal fluid
synovial fluid
serous fluid