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Ch 11 Human Organization
FINAL 6/20
60
Biology
9th Grade
06/18/2011

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Term
What are the types of tissues in your body?
Definition
-muscular
-cardiovascular
-epithelial
-connective
Term
Cancer of the ____ tissue is...
a. epithelial
b. blood
c. lymphoid
Definition
a. carcinoma
b. leukemia
c. lymphomas
Term
Functions of epithelial tissue?
Definition
-protection - protects from pathogens
-secretion - mucus from digestive tract
-absorption - small intestine absorbs food
-filtration - tissue of kidneys forms urine
-excretion - " "
Term
Define: squamous
Definition
ooooooo
-flat
Term
Where is squamous? cuboidal? columnar? tissue found?
Definition
squamous - lungs, lining of blood vessels
cuboidal - kidneys
columnar - lines digestive tract
Term
Epithelial tissue can be one layer _________ or many _____________
Definition
Epithelial tissue can be one layer (simple) or many (stratified)
Term
What is _____ really good at? Where?
a. simple cuboidal
b. simple squamous
c. stratified squamous
Definition
a. excretion (kidneys)
b. diffusion (lung tissue)
c. protection (skin)
Term
Define: pseudostratified ciliated columnar epithelial tissue
Definition
-1 layer of cells (it looks like 2)
-each cell touches the basement membrane
-found in trachea
-secretes mucus that traps dirt
Term
Which organ is both endocrine/exocrine?
Why?
Definition
PANCREAS
-endocrine - insulin into bloodstream
-exocrine - digestive enzymes into duct to small intestine
Term
Three types of junctions between cells? (describe)
Definition
-tight - impermeable
-gap - allow molecules to pass through
-adhesion - (desmosome): ilaments pass through adjacent membranes
Term
Define: matrix
Definition
-material found between connective cells
-contains collagen, hyaline, reticular, and elastic fibers
Term
Types of connective tissue?
Definition
-adipose tissue
-cartilage
-bone
Term
What are adipose tissues filled with?
Definition
oil
Term
Where do cartilage cells live?
Definition
lacunae
Term
What is a cartilage cell called?
Definition
chondrocyte
Term
draw compact bone
Definition
[image]
Term
The hard matrix of bone is made of what?
Definition
-inorganic salts (like calcium)
-oxygen
Term
Types of bone? Describe
Definition
-compact bone - dense bone made of osteons
-spongy bone - bony bars w/ spaces
Term
Where is hyaline cartilage found?
Definition
-over the ends of bones at movable joints
-ends of ribs
-supportive material in larynx
-trachea
-bronchi
-fetal skeleton
Term
Where is elastic cartilage found?
Definition
-external ear and epiglottis
Term
Where is fibrocartilage found?
Definition
-pubic synthesis
-meniscus
-invertebral disks
Term
What does blood do?
Definition
-transports oxygen, nutrients, and waste
Term
What is the percentage of plasma in the blood?
Definition
55%
Term
What does plasma consist of?
Definition
-water
-proteins
-ions
-salts
-vitamins
Term
What is the shape of RBCs?
Definition
-biconcave disk
Term
What are the fibers prevalent in muscular tissue?
Definition
-actin
-myosin
Term
Define: skeletal muscle
Definition
-voluntary
-fibers have many nuclei
-striated
Term
Define: smooth
Definition
-involuntary
-no striations
-found in intestine, stomach, and esophagus
-involved in swallowing, GI tract functions
-short fusiform cells
-one central nucleus
-nonstriated
Term
Define: cardiac muscle
Definition
-involuntary
-striations
-1 nuclei/cell
-connected to each other at intercalated disks
Term
Functions of nervous tissue?
Definition
-sensory input
-integration of data
-sensory output
Term
Name and describe 3 types of neurologia cells
Definition
-microglia -eat bacteria, cell debris
-astrocytes - provide nutrients to neurons
-oligodendrocytes - form myelin (insulation)
Term
Name to major body cavities
Definition
-thoracic
-dorsal
Term
What cavities are located w/in the ventral cavity?
Definition
Includes:
-thoracic cavity
-Abdominal "
Term
Define: thoracic cavity:
Definition
chest cavity containing heart and lungs
Term
Define: abdominal:
Definition
contains digestive, excretory, and reproductive organs
Term
The thoracic and abdominal cavity are separated by the....
Definition
diaphragm
Term
What cavities are located w/in the dorsal cavity?
Definition
-cranial cavity
-vertebral canal
Term
Define: cranial cavity
Definition
-houses brain
Term
Define: vertebral canal
Definition
houses spinal cord
Term
Define: body membrane
Definition
thin layer of epithelium overlying a loose connective tissue
Term
four types of membranes?
Definition
-mucous
-serous
-synovial
-meninges
Term
Define: mucous membranes
Definition
-line the digestive, respiratory, urinary, and reproductive systems
-contain goblet cells that release mucus
Term
Define: serous membrane
Definition
-line the thoracic and abdominal cavities
-Contains pleura
-" peritoneum
Term
Define: pleura
Definition
-lines thoracic cavity, covers lungs
Term
Define: periotoneum
Definition
-covers abdominal cavity and organs
Term
Define: synovial membranes
Definition
-lines free movable joint cavities
-produces synovial fluid to lubricate joint
Term
Define: meninges
Definition
membrane covering brain and spinal cord
Term
What is the system of hair/skin/nails?
Definition
integumentary
Term
What is the system for hormonal glands called?
Definition
endocrine
Term
Functions of the integumentary system?
Definition
-protection from pathogens, water loss, and UV light
-regulate body temp (sweating)
-makes vitamin D
Term
What makes melanin?
Definition
melanocytes
Term
Describe the epidermis (5)
Definition
-contains keratin, which waterproofs skin
-contains melanocytes
-contains 5 layers
-no blood vessels
-gets nutrients by diffusion
Term
Name the layers of the epidermis layer
Definition
-top stratum corneum (dead)
-stratum lucidum (dead)
- " granulosum (dead+living)
- " spinosum (living)
-bottom stratum basale (living)
Term
Describe dermis
Definition
-contains collagen
-elastic fibers
-contains blood vessels
-contains nerve endings
Term
What is the subcutaneous layer composed of?
What does it do?
Definition
-composed of loose conntective tissue and fat
-fat provides thermal insulation and physical protection
Term
Nail cells are filled with ....
Definition
keratin
Term
What makes hair "stand on end"
Definition
arrector pili muscle
Term
Define: sebaceous gland
Definition
-associated with each hair follicle
-secretes sebum to moisturize skin
Term
What is another name for the sweat gland?
Definition
sudoriferous gland
Term
What is positive/negative feedback, exs?
Definition
negative- change in body, body does something to maintain homeostasis
ex: body temp
Positive: brings abt greater change in the same direction
ex: during pregnancy, baby pushes on cervix to initiate labor. Message is sent to the brain that causes the release of oxytocin that causes even more contractions
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