In external respiration __________, while __________ occurs in internal respiration. oxygen moves from the alveoli to the pulmon
ary capillaries; carbon dioxide moves from the pulmonary capillaries to the alveoli. oxygen moves from the alveoli to the pulmonary capillaries; oxygen moves from the pulmonary capillaries to the alveoli. carbon dioxide moves from the alveoli to the pulmonary capillaries; carbon dioxide moves from the pulmonary capillaries to the alveoli. oxygen moves from the alveoli to the pulmonary capillaries; oxygen moves from the tissues to the systemic capillaries. oxygen moves from the alveoli to the pulmonary capillaries; carbon dioxide moves from the tissues to the systemic capillaries.
Some political scientists need a background in marine science so they can understand marine life and can make policies in an attempt to regulate human behavior to protect the ocean and ocean life. Marine scientists must be able to understand the diverse life in the ocean
A phospholipid is a lipid made of a phosphate group with two fatty acids. A second messenger is a molecule inside cells that acts to transmit signals from a receptor to a target.
