What does the word root mean?1. The word root means red or red blood cell. 2. The word root means blood. 3. The word root means bone marrow or spinal cord. 4. The word root means embolus or wedge. 5. The word root means white or white blood cell. 6. The word root means clot or associated with blood clotting.

An organ system consists of a group of organs that performs specific functions necessary for the survival of an organism. humans have eleven different organ systems: integumentary, skeletal, muscular, nervous, endocrine, circulatory, lymphatic, respiratory, digestive, urinary, and reproductive. discuss the function of neurons, the brain and the spinal cord within the human nervous system while explaining the interrelationship of each organ.

Which macromolecule catalyzes chemical reactions this be considered enzyme chemical reactions thus he considering enzymes

Which of the following statements is accurate about evolution? question 10 options: natural selection only eliminates odd individuals. evolution means that a population never has changes in its genetic frequencies. mutations are always harmful. evolution means that a population undergoes changes in its gene frequencies over time.