There are two similar glands P which are located on the top of two similar organs Q in the human body. The glands P are often called glands of emergency and they secrete a hormone R into the blood stream. The hormone R is secreted in large amounts when a person is frightened. It brings about temporary changes in the body which allow a lot of substance S from the liver to go into blood so as to provide a lot energy in a very short time. This helps the person concerned to fight back or run away from the frightening situation. What are P, Q, R and S ?
Answer :
P is adrenal glands.
Q is kidneys.
R is adrenaline hormone.
S is glucose.
Humans havea pair of adrenal glands, which are located on top of the kidneys. They are often called emergency glands. They secrete adrenaline into the bloodstream. It is secreted in large amounts when a person is frightened.
Adrenal gland brings about temporary changes in the body which allow glucose from the liver to go into the bloodstream. This provides a lot of energy in a very span of short time.