Select your answer:
Topics:
Human Anatomy Heart Anatomy Upper Limb Pathogens Diseases of The Body Systems Leaves Characteristics of Life Cardiovascular System Terminology Life Cycle - Bee Vocabulary - Health Health issue related to immune system Terms and Definitions - Diseases Liveability Vocabulary for Organisms in Ecosystems Vision (AP Psych)Other quiz:
Circulation and Excretion › ViewProcess that returns materials to the blood from the filtrate
A. reabsorption
B. secretion
C. filtration
Cell Transport › View
Sometimes, energy is required for ____ molecules to go in or out of the cell because they cannot fit into the membrane.
A. big
B. small
C. crunchy
D. water