Descending tracts are the pathways by which motor
signals are pass through from the brain to lower motor neurones. Thus, all
the neurones within the descending motor system are classed as upper motor
neurones. The lower motor neurones then directly innervate muscles to produce
movement. Their cell bodies are found in the cerebral cortex or the brain stem,
with their axons remaining within the CNS.
Answer:
chloroplast
Explanation:
it helps aid in the process of photosynthesis and the chlorophyll inside helps to pigment the plant and make it green
Answer: Osteoclasts are the bone cells that break down bone.
Explanation:
Fossils and rocks identical to each other wet found on separate continents because rocks and the animals that formed those fossils can't swim the logical explanation was that the continents split after the rocks and fossils were formed