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LS chap 17-18 part 2

Vertbrate's body system

Fish have how many chambers in their heart? two
Reptilies and amphilbains have how many chambers in their heart? Three.
Birds and mammals have how many chambers in their hearts? Four.
Do arteries take blood to or away from the heart? They take blood away from the heart.
Do Veins take blood to or away from the heart? Veins return the blood to the heart.
Respiratory System Organs that obtain oxygen from the air and eliminates cardon dioxide from the body.
Capillaries. Organ that exchanges gases bewteen the atmosphere and the blood.
Lungs is a muscle that aids in breathing
what are the two main divisions in the nervous system? The Central nervous system and the Peripheral nervous system.
Excretory System structure or organs that filter waste out of the body by using the kidneys to filter the blood to make urine.
Created by: melissapaige103