एक वयस्क मानव शरीर में 206 हड्डियाँ और एक शिशु में 270 हड्डियाँ होती हैं। आकार संरक्षण: हड्डियाँ शरीर के लिए एक सहायक संरचना प्रदान करती हैं

There are 206 bones in an adult human body and 270 in an infant. Shape Protection: Bones provide a support structure for the body.

एक पट हृदय को दो हिस्सों में बांटता है। ऑरिकल्स और वेंट्रिकल्स दो कक्ष हैं जो प्रत्येक आधे के बीच संचार करते हैं। यह हृदय को चार कक्ष देता

The heart is a muscular, spongy, and hollow organ. Its wall is made of cardiac muscles. It weighs about 300 grams and is about the size of

The word “whale” comes from Old, Proto-Germanic *hwalaz, from Proto Indo-European *(s)qual-o-, meaning “large sea fish”. Proto-Germanic

The word ‘phobia’ is derived from the Greek word Phobos. Phobia is a dangerous level of fear, it is excessive. The fear of phobia is so much

Infectious diseases are diseases that can be spread from person to person through pathogenic factors. These diseases can spread from person

Classification of vertebrates – The vertebrates are further classified into – 1. Pisces 2. Amphibia 3. Reptilia 4. Aves 5. Mammalia