The oxygen molecules moves through the nostrils, pharynx, trachea, bronchus, smaller and smaller branches of the bronchial tree, and then into the alveolus.
It's the concentration of sense organs, nervous control, etc., at the anterior end of the body, forming a head and brain, both during evolution and in the course of an embryo's development.
Its where one plate moves under another and is forced or sinks due to gravity into the mantle. This is where you get your sinkholes from.
Answer:
plasma
Explanation:
plasma is straw coloured liquid found in the blood
