Answer:
The primary function of red blood cells is to transport oxygen to body cells and deliver carbon dioxide to the lungs.
Explanation:
Consciousness refers to a state of awareness or alertness in which the subject is cognizant of one's environment and self. It allows people the awareness to selectively focus on certain stimuli.
The following statements does not describe a key feature of consciousness: C. Consciousness is permanent. In contrast, consciousness is not permanent because consciousness is dependent upon the functioning of the brain.
C) As hydrilla is aquatic in nature, the roots do not have to search for water, and there is no need for xylem to absorb water because the plant is surrounded by water.