You are a doctor examining a bone sample taken from a patient with weak bones. you find that the bone tissue contains many small pores. this is most likely caused by

What is it called when plants lose water though their leaves

In which situations is the principle of cross-cutting relationship useful in determining relative age?

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.