CH 5:Organs and organ systems

Question 1

3 body planes

Answer 1

Sagittal:
Divides body into left and right sides

Frontal:
Divides body into front and back

Transverse:
Divides body into upper and lower

Question 2

Terms used to describe relative body position:

Answer 2

Anterior: at or near the front
Posterior: at or near the back
Proximal: nearer to the body trunk
Distal: Farther away from the body trunk
Superior: situated above or directed upward
Inferior: situated below or directed downward

Question 3

Spaces within the body that holds organs

Answer 3

Body Cavities

Question 4

Two major Body cavities

Answer 4

Anterior: front
Posterior: back

Question 5

Anterior body cavity includes

Answer 5

Thoracic cavity

Two pleural cavities: Each one houses a lung

Pericardial cavity: houses the heart

Abdominal cavity

Contains GI organs

Question 6

Posterior Cavity includes

Answer 6

Cranial cavity
(Houses the brain)

Spinal cavity
(Houses spinal cord)

Question 7

Sheet like arrangements of epithelial cells lying upon connective tissues

Answer 7

Tissue Membranes

Question 8

4 types of tissue membrane

Answer 8

Serous membrane: Lines and lubricates internal body cavities that arent open to the outside

Mucous membrane: Line passages that open to outside(airways)

Synovial membrane(jeopardy category)

Cutaneous membrane: Outer covering of the body (skin)

Question 9

groups of organs that preform a common function

Answer 9

Organ system

Question 10

different organ systems

Answer 10

Digestive system: mouth, throat, stomach, intestines, liver, gallbladder, and pancreas

Lymphatic system: Lymph nodes, tonsils, and spleen

Question 11

Organ system of skin

Answer 11

Integumentary system
(Skin, hair, nails, and glands)

-Protects from dehydration and injury

-Defends against microorganisms

-Regulates body temperatures

-Makes vitamin D

Question 12

Layers of the skin

Answer 12

Epidermis: Outer Layer

Dermis: Middle “inner” Layer

Hypodermis: Bottom “supportive” Layer

Question 13

Cells that make up the epidermis

Answer 13

Melanocytes:
Produces a dark brown pigment called Melanin

Keratinocytes:
Produce tough, waterproof proteins

Question 14

What are Dermis

Answer 14

-Made up of dense connective tissue

-Lies below epidermis

-Allows the skin to stretch during movement

Question 15

Accessory Structures of Dermis

Answer 15

Sebaceous Glands:
moistures and softens skin

Sweat glands:
Produce sweat,

Blood vessels:
Supply cells with nutrients and removes wastes

Sensory nerve endings:
Provides info about outside environment