Question

Diagram anegative feedback loop, Indicating the sensor, integrating center, andeffectors for heart rate homeostasis.

Answer 1

Answer-

According to the given question-

Homeostasis is to regulate the internal environment with reference to external environment of the body. several part as well as organs of the body such as liver, pancreas, brain and kidney plays an important role in maintaining homeostasis. kidney maintain blood - water level, level of salt, level of ion , pH of blood, waste product removal from the body,  liver are responsible for metabolism of lipid and toxic substances ), pancreas in Carbohydrates metabolism), hypothalamus found in the brain are responsible for controlling blood pressure, temperature of the body, rate of heart and wake/sleep cycles. There are several factors such as external environmental factors called extrinsic factors or internal factors called  instrinsic factors along with receptor, control center and effector are responsible for controlling homeostasis.

Negative feedback loop or mechanisms is the capability of an organ to come back in their normal state.

• Receptor or  sensor senses the changes in extrinsic factors or  instrinsic factors e.g.  peripheral chemoreceptors, for change in blood pH.
• control center also called integrating center which get the information from the sensor and act accordingly to maintain homeostasis. e.g. hypothalamus, for regulating blood pressure, temperature, heart rate.
• Effector get the information from the control center and act accordingly to maintain homeostasis. e.g. kidney

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