THORAX ABDOMEN AND PELVIS

MEDICAL

SUPRARENAL GLANDS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is the definition of hormone?
A
____ is a chemical substance, produced by a gland and carried in the bloodstream, which alters the activity of specific target organs.
B
____ mechanism is an important type of control that is found in homeostasis. It responds when conditions change from the ideal or set point and returns conditions to this set point. There is a continuous cycle of events in this.
C
____ is produced by the thyroid gland, which stimulates the basal metabolic rate. It controls the speed at which oxygen and food products react to release energy for the body to use.
D
____ is produced by the adrenal glands in times of fear or stress. It targets vital organs, increases the heart rate and boosts the delivery of oxygen and glucose to the brain and muscles.
Explanation: 

Detailed explanation-1: -A hormone is a chemical substance, produced by a gland and carried in the bloodstream, which alters the activity of specific target organs . An example of this is the release of the hormone adrenaline, which is released by the adrenal gland. One of its target organs is the heart, where it increases the heart rate.

Detailed explanation-2: -Hormones act as chemical messengers that are released into the blood stream to act on an organ in another part of the body.

Detailed explanation-3: -Hormones are the chemicals that are responsible for controlling and regulating the activities of certain cells and organs. These hormones are secreted by ductless glands known as endocrine glands.

There is 1 question to complete.