Answer:
Option A, They contain a thick tunica media
Explanation:
Artery consist of tunics which is made up of three distinct layers
a) The internal layer is tunica intima – made up of epithelial and connective tissue layers
b) The middle layer is tunica media - thickest layer in arteries and consists of layers of smooth muscle supported by connective tissue
c) The external layer is tunica externa - sheath of connective tissue composed primarily of collagenous fibers
Answer:
Light energy from the sun.
Explanation:
Algae, plants and some bacteria such as cyanobacteria uses light energy from the sun, carbon dioxide and water to make organic molecules (sugars) to produce energy for growth. The by-product of this process in plants is oxygen and water vapour, released using the stomata (tiny openings in leaves).
False. Phospholipids do not make up most of the lipid present both in the body and in food.
