1.2 Structural and Functional Organization of the Human Body

Question 1

Six levels of organization

Answer 1

1. Chemical
2. Cell
3. Tissue
4. Organ
5. Organ System
6. Organism

Question 2

Simplest level of organization in the human body

Answer 2

Atom

Question 3

Involves how atoms, such as hydrogen and carbon, interact and combine into molecules

Answer 3

Chemical Level

Question 4

What does a molecule’s structure determine?

Answer 4

It’s function

Question 5

Give an example on how a molecule’s structure determine its function.

Answer 5

Collagen molecules are strong, ropelike fibers that give skin strength and stability.

Question 6

Are the basic structural and functional unit of organisms

Answer 6

Cells (Cell Level)

Question 7

Smaller structures inside the cell that carry out specific functions.

Answer 7

Organelles

Question 8

Group of similar cells and materials surrounding them

Answer 8

Tissue (Tissue Level)

Question 9

What does the characteristic of cells and surrounding material determine?

Answer 9

Determines the function of the tissue

Question 10

Four primary types of tissue

Answer 10

epithelial, connective, muscle, nervous

Question 11

Composed of two or more tissue types that perform common functions

Answer 11

Organ (Organ Level)

Question 12

Group or organs that perform a common function

Answer 12

Organ system (Organ System Level)

Question 13

Number of major organ system

Answer 13

11

Question 14

Any living thing considered as a whole, whether compose of one cell (Bacterium) or trillions (Humans)?

Answer 14

Organism (Organism Level)

Question 15

Eleven Major Organ Systems

Answer 15

1. Nervous
2. Integumentary
3. Respiratory
4. Digestive
5. Muscular
6. Skeletal
7. Cardiovascular
8. Lymphatic
9. Endocrine
10. Urinary
11. Reproductive (Male and Female)

Question 16

Provides protection, regulates temperature, prevents water loss, and helps produce vitamin D.

Answer 16

Integumentary System

Question 17

Integumentary system consists of?

Answer 17

Skin, hair, nails. sebaceous glands, and sweat glands

Question 18

Provides protection and support, allows body movements, produces blood cells, and stores minerals and adipose tissue.

Answer 18

Skeletal

Question 19

Produces body movements, maintains posture, and produces body heat.

Answer 19

Muscular system

Question 19

Skeletal system consists of?

Answer 19

Bones, Associated Cartilages, ligaments , and joints

Question 19

Muscular system consists of?

Answer 19

Muscles attached to connective tissue sheets or the skeleton by tendons.

Question 20

A major regulatory system that detects sensations and controls movements, physiological processes, and intellectual functions.

Answer 20

Nervous System

Question 21

Nervous system consists of?

Answer 21

Brain, spinal cord, nerves, and sensory receptors

Question 22

A major regulatory system that influences metabolism, growth, reproduction, and many other functions.

Answer 22

Endocrine system

Question 23

Endocrine system consists of?

Answer 23

Endocrine glands (Hypothalamus, pituitary, thyroid gland, adrenal gland, gonads, and other hormone secreting tissues.

Question 24

Transports nutrients, waste products, gases, and hormones throughout the body; plays a role in the immune response and the regulation of body temp.

Answer 24

Cardiovascular System

Question 25

Cardiovascular system consists of?

Answer 25

Heart, blood vessels, and blood

Question 26

Removes foreign substances from the blood and lymph, combats disease, maintains tissue fluid balance, and absorbs, dietary fats from the digestive tract.

Answer 26

Lymphatic system

Question 27

Lymphatic system consists of?

Answer 27

Lymphatic vessels, lymph nodes, thymus, spleen, and other lymphatic tissues.

Question 28

Exchanges oxygen and carbon dioxide between the blood and air and regulates blood pH.

Answer 28

Respiratory System

Question 29

Respiratory system consists of?

Answer 29

Lungs, diaphragm, and respiratory passages

Question 30

Performs the mechanical and chemical processes of digestion, absorption of nutrients, and elimination of wastes.

Answer 30

Digestive system

Question 31

Digestive system consists of?

Answer 31

Mouth, esophagus, stomach, gall bladder, liver, intestines, and other accessory organs

Question 31

Removes waste product from the blood and regulates blood pH, ion balance, and water balance.

Answer 31

Urinary System

Question 32

Urinary system consists of?

Answer 32

Kidney, ureters, urethra, and urinary bladder

Question 33

Produces oocytes and is the site of fertilization and fetal development; produces milk for the newborn; produces hormones that influence sexual function and behaviors.

Answer 33

Female Reproductive System

Question 34

Female Reproductive system consists of?

Answer 34

Ovaries, uterine tubes, uterus, vagina, mammary glands, and associated structures.

Question 35

Produces and transfers sperm cells to the female and produces hormones that influence sexual functions and behaviors.

Answer 35

Male Reproductive system

Question 36

Male Reproductive system consists of?

Answer 36

Testes, accessory structures, ducts, and penis