Chapter 1 - Levels of Organization

Question 0

What are the 11 organ systems?

Answer 0

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

Question 1

What are the four levels of organization?

Answer 1

1. Chemical/Molecular
2. Cellular
3. Tissue
4. Organ

Question 2

Muscular System (~2 major organs/ ~3 major function)

Answer 2

Major Organs: Skeletal muscles and associated tendons
Function:
1. Provides movements
2. Protection and support for other tissues
3. Generates heat (body temperature)

Question 3

Nervous System (~4 Major Organs, ~3 Major Functions)

Answer 3

Major Organs:

1. Brain
2. Spinal Cord
3. Peripheral Nerves
4. Sense organs

Functions

1. Directions immediate response to stimuli
2. Coordinates/moderates activity of other systems
3. Provides/interprets external sensory information

Question 4

Endocrine System (~6 major organs, ~3 major functions)

Answer 4

Organs:

1. Pituitary gland
2. Pancreas
3. Gonads
4. Thyroid gland
5. Adrenal glands
6. Endocrine tissues in other systems

Functions:

1. Directs long-term changes in activities of other organ systems
2. Adjusts metabolic activity/energy usage
3. Controls structural/functional changes during development

Question 5

Cardiovascular System (3 Major Organs, ~2 Major Functions)

Answer 5

Organs:

1. Heart
2. Blood
3. Blood vessels

Functions

1. Distribute blood cells, water, dissolved materials, i.e. nutrients, waste products, oxygen, and CO2
2. Distributes heat, controls body temperature

Question 6

Lymphatic System (~5 major organs, ~2 Major functions)

Answer 6

Organs:

1. Spleen
2. Thymus
3. Lymphatic vessels
4. Lymph nodes
5. Tonsils

Functions

1. Defends against infection and disease
2. Returns tissue fluids to the bloodstream

Question 7

Respiratory System (~ 7 major organs, ~4 major functions)

Answer 7

Organs

1. Nasal cavities
2. Sinuses
3. Larynx
4. Trachea
5. Bronchi
6. Lungs
7. Alveoli

Functions

1. Deliver air for gas exchange in lungs
2. Provide oxygen to bloodstream
3. Remove CO2 from bloodstream
4. Produce sound

Question 8

Digestive System (~10 major organs, ~4 major functions)

Answer 8

Organs:

1. Teeth
2. Tongue
3. Pharynx
4. Esophagus
5. Stomach
6. Small intestine
7. Large intestine
8. Liver
9. Gallbladder
10. Pancreas

Functions:

1. Process and digest food
2. Absorb and conserve water
3. Absorb nutrients
4. Store energy reserves

Question 9

Urinary System (~4 Major Organs, ~ 4 Major Functions)

Answer 9

Organs:

1. Kidneys
2. Ureters
3. Urinary Bladder
4. Urethra

Functions

1. Excretes waste products from the blood
2. Controls water balance by regulating urine volume
3. Stores urine before elimination
4. Regulations blood ion concentration and PH

Question 10

Male Reproductive System (~7 Major Organs, ~2 Major Functions)

Answer 10

Organs:

1. Testes
2. Epididymides
3. Ductus deferentia
4. Seminal vesicles
5. Prostate gland
6. Penis
7. Scrotum

Function:

1. Produce male sex cells, suspending fluids, and hormones
2. Sexual intercourse

Question 11

Female Reproductive System (~7 Major Organs, ~4 Major functions)

Answer 11

Organs:

1. Ovaries
2. Uterine tubes
3. Uterus
4. Vagina
5. Labia
6. Clitoris
7. Mammary glands

Functions:

1. Produce female sex cells (oocytes) and hormones
2. Support developing embryo
3. Produce milk for newborn
4. Sexual intercourse