SENSE ORGANS: A TEACHER’S COMPREHENSIVE GUIDE Welcome, future healthcare professionals! Sense organs have special nerve cells called receptors, which detect changes or stimuli from the surroundings (like light, sound, touch, smell, or taste). These receptors convert the stimulus into nerve…
NERVOUS SYSTEM: A TEACHER’S COMPREHENSIVE GUIDE Welcome, future healthcare professionals! The nervous system is a highly developed network of special cells called neurons. These neurons help in coordinating body activities and passing signals between different body parts. A nerve is…
SKELETAL MUSCLES: A TEACHER’S COMPREHENSIVE GUIDE Welcome, future healthcare professionals! The contractile tissue that develops from the mesodermal layer (middle layer) of germ cells during embryonic life is known as muscle. Muscles are the organs that help in movement, posture,…
DIGESTIVE SYSTEM: A TEACHER’S COMPREHENSIVE GUIDE Welcome, future healthcare professionals! The digestive system helps our body take in food, break it down into smaller nutrients, and absorb them for energy and growth. It transfers nutrients from the outside environment (food…
RESPIRATORY SYSTEM: A TEACHER’S COMPREHENSIVE GUIDE Welcome, future healthcare professionals! The respiratory system forms the pathway through which air travels from the nose to the lungs. Its major function is the exchange of gases — taking in oxygen (O₂) and…
CARDIOVASCULAR SYSTEM: ANATOMY AND PHYSIOLOGY OF HEART — A TEACHER’S COMPREHENSIVE GUIDE Welcome, future healthcare professionals! The cardiovascular system includes the heart, blood vessels, and blood. It acts as a transport system of the body — carrying oxygen, nutrients, hormones,…
LYMPHATIC SYSTEM: A TEACHER’S COMPREHENSIVE GUIDE Welcome, future healthcare professionals! The lymphatic system is a network of lymph vessels that forms a closed system through which a clear fluid called lymph circulates throughout the body. The flow of lymph is…
IMPORTANCE OF BLOOD GROUPS: A TEACHER’S COMPREHENSIVE GUIDE Welcome, future healthcare professionals! A blood group (or blood type) is a way of classifying blood based on whether certain antigens (proteins, carbohydrates, glycoproteins, or glycolipids) are present or absent on the…
MECHANISM OF BLOOD CLOTTING: A TEACHER’S COMPREHENSIVE GUIDE Welcome, future healthcare professionals! Blood clotting (or coagulation) is the process in which the blood changes from a liquid to a gel-like form. This process prevents excessive bleeding whenever a blood vessel…
PROCESS OF HEMOPOIESIS: A TEACHER’S COMPREHENSIVE GUIDE Welcome, future healthcare professionals! Every day, our body replaces old or dead blood cells by producing new ones. Approximately, the following number of new cells are formed daily: 250 billion (25 × 10¹¹)…