Systems of the body

Question 1

Anatomy

Answer 1

The science of body structures and their relationships

Question 2

Physiology

Answer 2

The science of body functions

Question 3

Histology

Answer 3

Tissue anatomy

Question 4

Chemical level of organization

Answer 4

Atoms and molecules

Question 5

Cellular level of organization

Answer 5

Basic structure. How molecules combine to form cells

Question 6

Tissue level of organization and the types of tissue

Answer 6

Groups of cells that perform a particular function. epithelial, connective, muscle, nervous

Question 7

Epithelial tissue

Answer 7

Forms the inner and outer linings of organs

Question 8

Muscular tissue

Answer 8

Specialized tissue that contracts.

Question 9

Nervous tissue

Answer 9

specialized tissue that generates and transmits electrical signals.

Question 10

Connective tissue

Answer 10

provides support for the body and connects all of its parts. Made up of cells surrounded by ground substance matrix.

Question 11

Types of connective tissue

Answer 11

Bone tissue, cartilage, fat tissue and the blood.

Question 12

Organ level of organization

Answer 12

contains two or more types of tissues that carry out specific functions.

Question 13

System level of organization

Answer 13

consists of related organs with a common function, eg digestive system.

Question 14

organismal level of organization

Answer 14

The entire organism.

Question 15

Skeletal system

Answer 15

Protects and supports body organs and provides a framework the muscles use to support movement. Produces blood cells and stores minerals and lipids. Made of bones, joints and associated cartilages.

Question 16

Muscular system

Answer 16

Enables movement of the body, stabilizes body position and generates heat. Made up of skeletal muscle

Question 17

Nervous system

Answer 17

Generates action, regulates body activities, and detects, interprets and responds to changes in the body’s internal and external environments. Made up of brain, spinal cord, nerves and special sense organs (eyes, inner ear)

Question 18

Endocrine system

Answer 18

Regulates body activities by releasing hormones. Detects and responds to changes in the body’s internal and external environments.

Question 19

Cardiovascular system

Answer 19

Heart pumps blood through vessels, blood carries oxygen and nutrients to cells and removes co2 and wastes. Regulates acid-base balance, body temp and helps defend against disease.

Question 20

Lymphatic system

Answer 20

Returns proteins and fluids to the blood, carries lipids from the GI tract to the blood and helps defend against disease. Composed of lymphatic vessels, lymphatic fluid, spleen, thymus, tonsils, lymph nodes.

Question 21

Respiratory system

Answer 21

Transfers oxygen and carbon dioxide between air and blood, regulates acid-base balance and voice production. Made up of pharynx, larynx, trachea, bronchial tubes and lungs.

Question 22

Digestive system

Answer 22

Breaks down food , absorbs nutrients and eliminates wastes. made up of organs in gastrointestinal tract, liver, gall bladder and pancreas

Question 23

Urinary system

Answer 23

Produces and eliminates urine, eliminates wastes, regulates blood composition, regulates acid-base balance, maintains mineral balance and regulates production of red blood cells. Made up of kidneys, ureters, urinary bladder, urethra

Question 24

Reproductive system

Answer 24

Produces and stores gametes (sperm, oocytes) and hormones. Made up of gonads (testes, ovaries) and associated organs.

Question 25

Integumentary system

Answer 25

Serves as a barrier between internal and external environment, regulates body temp, eliminates waste, makes vitamin d and cutaneous sensation. Made up of skin, hair, nails, sweat glands and oil glands.