Body Systems

Question 0

Mouth

Answer 0

An opening through which food passes into the body

Question 1

Digestive System

Answer 1

An organ system that breaks down food to release nutrients

Question 2

Esophagus

Answer 2

A muscular tube that connects the mouth to the stomach

Question 3

Stomach

Answer 3

A body organ where most digestion takes place

Question 4

Small Intestine

Answer 4

The organ that completes the chemical digestion of food and absorbs the nutrients

Question 5

Large Intestine

Answer 5

The last section of the digestive system, where water is absorbed from food and the remaining material is eliminated from the body

Question 6

Liver

Answer 6

An organ that makes bile to break down fats; also filters poisons and drugs out of the blood

Question 7

Pancreas

Answer 7

A gland that makes digestive enzymes and releases them into the small intestine

Question 8

Respiratory System

Answer 8

The system responsible for taking in oxygen and releasing carbon dioxide using the lungs

Question 9

Trachea

Answer 9

“Windpipe” (tube leading from the throat to the bronchial tubes).

Question 10

Bronchi

Answer 10

Two short branches located at the lower end of the trachea that carry air into the lungs.

Question 11

Bronchioles

Answer 11

Branching air passageways inside the lungs

Question 12

Lungs

Answer 12

Two large respiratory organs inside the chest where blood picks up oxygen and loses carbon dioxide

Question 13

Alveoli

Answer 13

Thin-walled microscopic air sacs in the lungs where the exchange of oxygen and carbon dioxide takes place

Question 14

Diaphragm

Answer 14

diaphragm Large, flat muscle at the bottom of the chest cavity that helps with breathing

Question 15

Circulatory System

Answer 15

Used to transport materials throughout the body. Provides oxygen to blood and removes CO2 from blood. Provides nutrients to body tissues and remove wastes from body tissues.

Question 16

Heart

Answer 16

A hollow, muscular organ that pumps blood throughout the body

Question 17

Blood

Answer 17

Fluid of the circulatory system; consists of blood cells and plasma

Question 18

Arteries

Answer 18

Blood vessels that carry blood away from the heart

Question 19

Veins

Answer 19

Blood vessels that carry blood back to the heart

Question 20

Nervous System

Answer 20

The system that controls virtually all activities of the body, both voluntary and involuntary.

Question 21

Brain

Answer 21

The part of the central nervous system that is located in the skull and controls most functions in the body

Question 22

Spinal Cord

Answer 22

A column of nerves within the spine that sends messages to and from the brain

Question 23

Nerves

Answer 23

Neural “cables” connecting the brain and spinal cord with muscles, glands, and sense organs

Question 24

Eye, Ear

Answer 24

Sense organs that send information to the brain for interpretation

Question 25

Integumentary System

Answer 25

Skin, provides protection from infection & injury

Question 26

Hair

Answer 26

Outgrowth of the skin made of keratin, helps with insulation and sense of touch

Question 27

Nail

Answer 27

Outgrowth of the skin, made of keratin, at the end of each finger and toe

Question 28

Dermis

Answer 28

Second layer of skin, holding blood vessels, nerve endings, sweat glands, and hair follicles

Question 29

Epidermis

Answer 29

The outer layer of skin that acts as a watertight protective covering.

Question 30

Hypodermis

Answer 30

A layer of fat located under the dermis of the skin, helps to insulate the body and protects

Question 31

Urinary System

Answer 31

Removes wastes from the blood and flushes them from the body in urine

Question 32

Kidney

Answer 32

A bean-shaped organ that filters waste from the blood and produces urine

Question 33

Ureter

Answer 33

A tube that carries urine from the kidney to the bladder

Question 34

Bladder

Answer 34

A muscular organ that holds urine until it leaves the body

Question 35

Urethra

Answer 35

A tube leading from the urinary bladder to the outside of the body