Chapter 30 Quiz Flashcards
____ organ systems work together to maintain ___________
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Homeostasis
__________ become specialized in different types
cells
Four types of tissues
- Epithelial
- connective
- nervous
- muscle
Lines interior and exterior of body surface. Makes up glands, or structures that secrete (release) products.
EX: sweat
EX: inner cheek tissue
epithelial tissue
Provides support for body and connects parts. Holds organs in place and provides insulation.
EX: collagen, tough fiber.
Connective tissue.
Where nerve impulse are transmitted throughout
-made up of neurons (brain)
-receives messages from body’s external/internal environment, analyses data, and directs response
Nervous tissue
Controls voluntary external movement
Muscle tissue
______ _____ controls internal involuntary movement of material
EX: blood in vessels, food in digestive system, heart
muscle tissue
What organ is made up of all 4 tissues?
eye
Organ systems work together EX:
brain and spinal cord= nervous system
Keeping relatively constant internal conditions despite changes in internal or external environment
Homeostasis
Lack of homeostasis is a
disease
negative feedback stimulus produces a response that opposes original stimulus to help maintain stability.
EX: Non-living-home heating system
EX: living-body temp stability
Balance of heat production and heat loss by control of brain
Feedback inhibition
Monitors body temp to stay at 37c
Hypothalamus
When body is below 37c you start to _________
When body is above 37c you start to _________
Shiver (friction)
sweat
Contains chemical energy that cells use to produce ATP.
Supplies raw materials your body needs to build/repair tissue
Food
6 Nutrients needed by body:
water
carbohydrates
fats
protein
vitamins
minerals
Not enough water
dehydration
main source of energy for body
-made up of simple sugars
monosaccharide-glucose
polysaccharide- starch
carbohydrates
complex surgers consumed
starches
Extra sugar stored as _________ in liver for later use.
glycogen
Helps body absorb fat soluble vitamins.
-makes up cell membranes structure, lipid bilayer
-insulates/protects body organs
Fats
Supply raw materials for growth/repair of skin/muscles.
-have transport functions
-increase rate of chemicals reactions
Polymers of amino acids (AA)
Proteins
