bio II Chpt.41

pancrease

secretes insulin

undernourished

inncificiant energy input; not enough calories taken in. normally caused by politcal and social problems.

insulin

helps glucose pass through cell membrane/ turns glucose into glycogen

Glucagen

turns glycogin back to glucose

overnourishment

takingin more calories than needed. leads to obesity

leptin

produced by adipose cells supresses appitite; speeds up metabolism to burn more energy.

adipose cells

fat cells

malnurish

enough calories but missing essenctial nutrients

4 types of feeders

suspension feeder; substrait; fluid feeder; Bulk feeder

Porifera digestive system.

no system phagocytyes

Cniderians and Platyhelminthes digestive system

blind sac food adn waste come from same opening/ gastrovascular cavity mouth for food adn waste not efficant.

eppiglottis

covers food from lungs

uvula

closes openiing from nasopharnyx

esophogus

smooth muscle

paristalsis

waves of smooth muscle that continues food down the whole digestive system.

spinkter muscles

muscles attatched to muscles.