Organ Systems

Question 1

Describe the functions of the Integumentary System
(hair, skin and nails)

Answer 1

1. Forms the external body covering, protects deeper tissue from damage
2. Synthesizes vitamin D
3. Site of cutaneous nerve receptors and sweat/oil glands

Question 2

Describe the functions of the Skeletal System

(bones and joints)

Answer 2

1. Supports and protects body organs, provides framework for muscle attachment
2. Forms blood cells deep in bones
3. Serves as storage area for minerals

Question 3

Describe the functions of the Muscular System

(all types of muscle)

Answer 3

1. Allows for locomotion (manipulation of the environment)
2. Allows for posture maintenance
3. Allows for facial expressions
4. Produces heat

Question 4

Describe the functions of the Nervous System

Answer 4

1. Fast acting control system
2. Allows for interaction between both the external and internal environments
3. Is the mechanism for activating muscles and glands

Question 5

Briefly describe the Respiratory System

Answer 5

1. Keeps blood constantly supplied with Oxygen gas
2. Swaps CO2 gas in air sac of the walls of the lungs

Question 6

Briefly describe the Cardiovascular System

Answer 6

1. Blood vessels transport blood, which carries oxygen, carbon dioxide, nutrients,
   wastes
2. The heart pumps this blood

Question 7

Describe the functions of the Digestive System

Answer 7

1. Breaks down food into absorbable units that will enter the bloodstream
2. Removes indigestible materials

Question 8

Describe the fucntions of the Urinary System

Answer 8

1. Regulates water, electrolyte and acid-base balance of the blood
2. Removes nitrogenous wastes from the blood

Question 9

Explain the male reproductive system.

Answer 9

1. Purpose: produce offspring
2. Testes produce sperm haploid cells and the male sex hormone
3. Male ducts and glands aid in delivery of sperm to the female reproductive system.

Question 10

Explain the female reproductive system.

Answer 10

1. Ovaries produce eggs and female sex hormones.
2. The remaining female structures serve as sites for
   fertilization and development of the fetus.
3. Mammary glands of female breasts produce
   milk to nourish the newborn.

Question 11

Describe the functions of the endocrine system.

Answer 11

Endocrine glands secrete hormones that regulate

1. Growth
2. Reproduction
3. Nutrient Use

Question 12

Describe the functions of the Lymphatic System.

Answer 12

1. Houses white blood cells that are involved with immunity
2. Collects fluids released from blood vessels and returns them to the bloodstream
3. Disposes of debris in the lymphatic system