Animal Body Flashcards
(31 cards)
Vertebrate body organization
Cells Tissues Organs Organ systems Organism
Embryonic term layer tissues
Endoderm
Mesoderm
Ectoderm
Vertebrate tissues
Muscle
Nerve
Epithelial
Connective
What do epithelial tissues do
Provide permeable barrier
Protect from dehydration or mechanical damage
Provide sensory surfaces
Stratified means
More than one layer of epithelial cells to
What do epithelial cells cover
Structures and line walls of body cavities
A vascular means
Relatively thin
What is epidermis protection provided by what water proofing protein
Keratin
What is a osteocyte
Living bone cell found in lacunae within a extra cellular matrix of collagen fibers
Major tissue that contracts
Muscle
Tissue specialized to conduct electrical signals
Nervous
Tissue attached to basal lamina or basement membrane
Epithelial
Where would you most likely find collagen
Connective tissue
Large percentage of body fluids are located in
Intracellulsr compartment
What do endocrine glands do
Secrete hormones that travel through blood stream
Where do connective tissue originate
Mesoderm germ layer
Pns
Nerves and ganglia
Central nervous system
Brain and spinal cord
Negative feedback
Minimizes change
Want to restore to zero
Positive feedback
Promotes change
Rapid change is needed
4 primary tissue in adult vertebrates
Epithelial
Connective
Muscle
Nerve
What does hypothalamus control
Body temperature
Basal lamina definition
Thin extracellular layer that lies underneath epithelial cells & separates them from tissue
Dorsal body cavity forms
Within skull and vertebrate
