Upload
joel-herman
View
28
Download
0
Tags:
Embed Size (px)
DESCRIPTION
Feeding and Digestion. Intracellular Digestion -each cell digests its own nutrients. Paramecium – a single-celled pond organism. Digestive Systems. Human Digestive System. Teeth Indicate Diet. Which digestive system is longer, a carnivore or an herbivore? WHY??. - PowerPoint PPT Presentation
Citation preview
Intracellular Digestion-each cell digests its own nutrients
Paramecium – a single-celled pond organism
Open vs. Closed Circulatory System
Open = blood in sinuses Closed = blood is always in the heartor a blood vessel, never in sinuses.
Human Heart is 4-chambered:2 atria and 2 ventricles
Left side=blood withoxygen
Right side=unoxygenatedblood