The kidneys make two main hormones, vitamin D and erythropoietin. Vitamin D is essential for a number of different functions in the body. Most of the vitamin D that is in the blood is inactive and it is modified by the kidney and other tissues to activate it.
Answer:This type of plate is Convergent plate boundary.
Explanation:from this figure we can see that two plates meet together and one of this plates go under the other plate and this represent the convergent plate boundary.
C. The digestive system breaks down food and the circulatory system transports the nutrients throughout the body.
The Digestive system is the system that helps the body digest food. It consists of the following organs: liver, stomach, gallbladder, large and small intestines, pancreas, rectum, and esophagus.
The Circulary system is the system that pumps blood through body. The blood contains all the nutrients and minerals the body needs. The system consists of the following organs: heart, blood vessels, blood, lymph, lymphatic vessels, and glands.
A parasite could determine the size of the population. Whether it grows or shrinks. It could also change genetics
Lysosomes are found in the respiratory system, lies within most of the body as it produces saliva, human milk, tears, etc. But to be more specific, it lies within mostly the chest region near the lungs.