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Hemoglobin – Definition, Structure and Function

Hemoglobin - Definition, Structure and Function

What is Hemoglobin? What is Globin Chain? The globin chain refers to the specific combination of protein subunits that make up different types of hemoglobin. Hemoglobin is composed of four globin chains, which can vary depending on the specific type of hemoglobin. The different types of hemoglobin and their corresponding globin chains are as follows: … Read more

Hypothalamus – Definition, Structure, Functions

Hypothalamus

What is Hypothalamus? Definition of Hypothalamus The hypothalamus is a small region of the brain located below the thalamus. It serves as a crucial link between the nervous system and the endocrine system, regulating various metabolic processes and controlling activities such as body temperature, hunger, thirst, sleep, and emotional behavior. Embryological development of the hypothalamus … Read more

Skeletal System – Definition, Types, Anatomy, Functions

Skeletal System - Definition, Types, Anatomy, Functions

What is Skeletal system? Definition of Skeletal system The skeletal system is the framework of bones, joints, and cartilages that provides support, protection, and facilitates movement in the human body. Types of Skeletal Systems There are three main types of skeletal systems found in different organisms: hydrostatic skeleton, exoskeleton, and endoskeleton. Each type of skeletal … Read more

Ultra structure of skeletal muscle – Definition, Functions

Ultra structure of skeletal muscle - Definition, Functions

What is skeletal muscle? Definition of skeletal muscle Skeletal muscle is a type of voluntary muscle tissue that is attached to the bones and responsible for movement and various bodily functions. Properties Of Skeletal Muscle Skeletal muscles possess several important properties that contribute to their function and enable them to perform various tasks: These properties … Read more

Characteristics of Muscle Twitch – Motor Unit, Summation and Tetanus

Characteristics of Muscle Twitch - Motor Unit, Summation and Tetanus

Muscle twitch, the brief and transient contraction of a muscle fiber, is a fundamental event in muscle physiology. Understanding the characteristics of muscle twitches provides insights into the intricate mechanisms that govern muscle function. This article delves into the key aspects of muscle twitch, focusing on motor units, summation, and tetanus. Muscle twitches are initiated … Read more

Endocrine System – Definition, Classification, Functions and Endocrine glands

Endocrine System - Definition, Classification, Functions and Endocrine glands

What is Endocrine System? Definition of Endocrine System The endocrine system is a network of glands that release hormones into the bloodstream to regulate various functions and maintain balance within the body. Structure of Endocrine System Development of Endocrine Gland Classification of Endocrine Glands The classification of endocrine glands can be based on different criteria, … Read more

How Neurons Communicate – Resting membrane potential

How Neurons Communicate - Resting membrane potential

The nervous system relies on neurons to carry out various functions, ranging from basic motor reflexes to complex processes such as memory formation and decision-making. Unlike human communication through words and body language, neurons communicate through electrical and chemical signals. Similar to a committee member, a single neuron typically integrates and processes information from multiple … Read more

Synapse – Definition, Parts, Types & Function

Synapse - Definition, Parts, Types & Function

What is Synapse? Definition of Synapse A synapse is a junction or connection between two neurons or a neuron and a target cell, allowing the transmission of electrical or chemical signals. Synapse and Neurotransmitters Synapses and neurotransmitters play a crucial role in neuronal communication. Neurotransmitters are chemicals that are released from neurons in response to … Read more

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