Answer: CAPILLARIES
Explanation: Gas exchange is the delivery of oxygen from the lungs to the blood stream, and the elimination of carbon dioxide from the blood stream to the lungs. It occurs in the lungs between the alveoli and a network of tiny blood vessel is called capillaries, which are located in the walls of the alveoli.
Answer:
Gasoline and fat are chemically similar in that they are essentially hydrocarbons
Explanation:
Gasoline and fat are chemically similar in that they are essentially hydrocarbons, or chemical compounds that contain only carbon and hydrogen covelently bonded together. "Pure" gasoline is obtained by breaking down and distilling off lower boiling hydrocarbons from crude oil.
Answer:
cytoskeleton
Explanation:
cytoskeleton is a microscopic network of protein filaments and tubules in the cytoplasm of many living cells, giving them shape and coherence.
Neurone X should be motor neurone.
Motor neurone should be the type of neurone after relay neurone. Impulses travel from the relay neurone then to the motor neurone, and the motor neurone passes messages for the effectors usually in reflex actions, where effectors can be muscles or glands.
Increases in the world's population will require an increase in sustainable practices: True
