Heliotropism (like sunflowers)
<span>Dr. Nelson studies the psychological factors that seem to be associated with the development of heart disease. Dr. Nelson specializes in health psychology.</span>
<h3>Myelin is an insulating layer, or sheath that forms around nerves, including those in the brain and spinal cord. It is made up of protein and fatty substances. This myelin sheath allows electrical impulses to transmit quickly and efficiently along the nerve cells.</h3>
<span>muscle cells are animal tissue and therefore cannot undergo photosynthesis. ATP is created by mitochondria, these mitochondria use an electron transport chain to slowly oxidize glucose. The electron transport chain increases the proton concentration on one side of the membrane. ATP synthase uses this proton gradient to form ATP from ADP. This process is called cellular respiration</span>
Answer:
Collagen fibers in the dermis decrease in number and Sweat gland activity increases
Explanation:
Aging is an inevitable phenomenon in humans. Aging has significant affects on the human skins.
The skin is loosened and a lot of wrinkles can be seen on the face and other body parts. This occur's mainly because of two reasons that are Collagen fibers in the dermis decrease in number and Sweat gland activity increases
