Answer:
all the time is the correct answer
The correct answer is option A , sensory system.
A human body primarily consists of the following organ systems :
Circulatory, Respiratory, Digestive, Excretory, Nervous and Endocrine systems, Immune, Integumentary, Skeletal, Muscle and Reproductive systems.
There is no as such sensory system. However the neurology based system is called Nervous system which includes organs and their processing in the sensing of stimulation.
By studying the graph and the information given, you can tell that the process that is occurring is ecological succession. This is when ecosystems change over time and develop more over longer periods of time. The correct answer is number 1.
Answer:
Explanation:
Urea is the cellular waste product that the kidneys remove from the blood.Kidneys are the two bean shaped organs that has several functions to keep the body healthy. It not only removes urea from the blood, but also helps in the formation of urine and maintaining the fluid level of the body. The two kidneys are placed on the two sides of the spinal cord. The blood enters the kidney through the renal artery. The nephron within the kidneys mainly take out the waste products and the excess water from the blood and purifies it.If the kidneys of a person fail to work properly then it becomes important to perform dialysis for taking out the waste materials from the blood.