7. Which of the following shows the correct organization in the human body, from simple to most complex? *
A-nerve cell- spinal cord organ-nerve tissue-nervous system
B-nervous system-nerve cell-nerve tissue-spinal cord organ
C-spinal cord organ-nerve tissue-nervous system-nerve cell
D-nerve cell-nerve tissue-spinal cord organ-nervous system

option D

Explanation:

Cell --> Tissue --> Organ --> Organ System

Similarly ,

Nervous Cell - Nervous Tissue - Spinal cord organ - Nervous System

telophase and anaphase

volcanoes (an event in the geosphere) release a large amount of particulate matter into the atmosphere. these particles serve as nuclei for the formation of water droplets (hydrosphere). rainfall (hydrosphere) often increases following an eruption, stimulating plant growth (biosphere).