12. Coordination and Control - Students Free Notes

Give the functional detail of pituitary gland, pancreas and thyroid gland, also mention their disorders.

Functional details of the pituitary gland, pancreas, and thyroid gland, along with their associated disorders: 1. Pituitary Gland The pituitary gland is a small, pea-sized organ located at the base of the brain, often referred to as the “master gland” because it regulates other endocrine glands. Functions: Anterior Pituitary (Adenohypophysis): Growth Hormone (GH): Stimulates growth … Read more

Describe myopia and hyperopia in a man.

Myopia (Nearsightedness) and Hyperopia (Farsightedness) are both common vision problems, but they affect a person’s eyesight in different ways. Here’s how they would present in a man: Myopia (Nearsightedness): What it is: In myopia, a person can see nearby objects clearly but has difficulty seeing objects that are far away. Cause: This happens because the … Read more

Describe reflex action with diagram.

A reflex action is an involuntary and almost immediate response to a stimulus, which occurs without conscious thought. Reflexes are important for protecting the body from harm and for maintaining homeostasis. The reflex action pathway involves the reflex arc, which is a simple neural pathway that allows for rapid responses to stimuli. Characteristics of Reflex … Read more

Draw, label and describe the structure of a typical neuron?

Structure of a typical neuron: Cell Body (Soma): Function: The cell body contains the nucleus and organelles needed for the neuron’s survival and function. It is responsible for maintaining the neuron’s health and synthesizing proteins and neurotransmitters. Components: Nucleus: Contains the cell’s genetic material (DNA) and controls cellular activities. Cytoplasm: The substance inside the cell … Read more

Draw and label the cross-section of spinal cord also write about Structure and Function of the Spinal Cord

Structure and Function of the Spinal Cord The spinal cord is a crucial part of the central nervous system (CNS) that runs from the brainstem down the vertebral column (spine). It plays a vital role in transmitting information between the brain and the rest of the body. Here’s a breakdown of its structure and function: … Read more

Draw a vertical section of brain, label it. write the functions of each part?

The human brain is a complex organ with multiple regions, each having distinct functions. It can be broadly divided into three main parts: 1. Cerebrum (Forebrain) Largest part of the brain, responsible for higher cognitive functions such as thinking, reasoning, and memory. Divided into two hemispheres: Left Hemisphere (dominant in language and logic) and Right … Read more

What are the systems of coordination in humans?

In humans, the systems responsible for coordination are mainly the nervous system and the endocrine system, both of which work together to regulate and integrate various functions in the body. Here’s a breakdown of each system and its role in coordination: 1. Nervous System The nervous system is the primary system responsible for quick and … Read more