The digestive system helps to B) break down food.
Hope this helps! :)
Some of the egg casings have ridges
B. Storage body fat helps increase the effects of aging.
Explanation:
Fats are organic compounds that are insoluble in water and tend to solidify at room temperature.
Fats are essentially produced in animal body.
These are one of three macro-nutrients required in the body.
Adipose tissue which are also known as padding tissue function as a store house of fat.
They serve as cushion and protect the internal organs from shock or injury.
Fats are storehouse of energy and provide much more energy than the carbohydrates could.
They insulate the body and prevent the loss of heat in cold weathers.
Plants leaves, roots and stems are in the organ systems level.
—Evidence—
•] Plants contain just two organ systems. The shoot system includes all of the parts above the ground, such as leaves and stems, while the root system includes all of the parts below the ground, such as roots and tubers.