Chapter 1-intro

Question 1

Anatomy

Answer 1

Structure of the body and the relations of its parts (names of structures)

Question 2

Physiology

Answer 2

Functions of the body parts (how they work)

Question 3

Atoms

Answer 3

The smallest unit of matter

Question 4

Metabolism

Answer 4

All the different chemical reactions occurring in the body

Question 5

Cell

Answer 5

The basic unit of Life

Question 6

Histology

Answer 6

Study of Tissues

Question 7

Organ Level

Answer 7

2 or more different tissues working together to perform a particular function

Question 8

Chemical Level

Answer 8

• Simplest level
• Atomic
• Ex. DNA

Question 9

Levels of Structural Organization (6)

Answer 9

• Chemical
• Cellular
• Tissue
• Organ
• System
• Organism.

Question 10

How many systems are in the body?

Answer 10

11 (Integumentary, Skeletal, Muscular, Nervous, Circulatory, Lymphatic, Endocrine, Respiratory, Digestive, Urinary, Reproductive)

Question 11

System Level

Answer 11

Group of related organs that perform a common function

Question 12

Organism Level

Answer 12

• Human Body

- All the parts of the body fuctioning together

Question 13

Homeostasis

Answer 13

Conditions where the body’s internal environment remails within certain limits (Maintaining Sameness)

Question 14

The biggest threat to homeostasis

Answer 14

Stress

Question 15

Stressor

Answer 15

Disrupts Homeostasis

-Disruptions are usually mild and temporary

Question 16

External Stress

Answer 16

Outside the body

Question 17

Internal Stress

Answer 17

Inside the body

Question 18

Negative feedback System

Answer 18

• Reverse a change
• Used for frequent adjustments
• Exs. Body temps, Blood sugar levels, blood pressure

Question 19

Most feedback systems are…?

Answer 19

Negative

Question 20

Positive Feedback System

Answer 20

• Strengthen a change

- Exs. Oxytocin in labor, blood clotting

Question 21

Disease results if…?

Answer 21

Disruption in homeostasis can’t be fixed

Question 22

Disorder

Answer 22

Abnormality of structure/function

Question 23

Disease

Answer 23

Specific illness determined by signs and symptoms

Question 24

Symptoms

Answer 24

Subjective changes observable from outside

Question 25

Signs

Answer 25

Measurable obersvable changes

Question 26

Atomical Position

Answer 26

A standardized method of observing the body

Question 27

Bilateral

Answer 27

Both

Question 28

Supine

Answer 28

Body lying face up

Question 29

Prone

Answer 29

Body lying face down

Question 30

Body Cavities are...

Answer 30

spaces within the body that help protect, separate, and support internal organs.

Question 31

Serous Membranes

Answer 31

Thin slippery membrane lines body cavities not open to the outside.

Question 32

Parietal Layer

Answer 32

- Lines walls of cavities | - Perimeter

Question 33

Visceral Layer

Answer 33

-Covers viscera within the cavities

Question 34

Serous Fluid

Answer 34

reduces friction

Question 35

Organs

Answer 35

Viscera

Question 36

Diaphragm

Answer 36

- Large, dome-shaped muscle | - Breathing muscle