Beyond the Brain What goes on within the human skull is more complex and fantastic than anyone imagined. And scientists are finding ways to delve even deeper into what we know of the mind. Mending Broken Hearts Cheeseburgers, smoking, stress—risk factors for heart disease, a malady reaching global epidemic proportions.
Activate Your Mind!Frog Digestive System DiagramThe Digestive system of frog The digestive system of frog consists of two parts Alimentary canal Digestive glands. Frog Digestive System:alimentary Canal The alimentary canal is short because frogs are carnivores and hence the length of intestine is reduced. alimentary canal consists of t the following parts MouthBuccal cavityPharynxOesophagusStomachSmall intestineLarge intestineCloaca The frog's digestive system begins with the mouth. It leads to buccal cavity. Tongue is blobbed and free behind and fixed infront. The pharynx contains openings of Eustachian tubes, vocal sacs in male’s gullet and glottis. The gullet opens into a narrow oesophagus that leads into a wide a wide, tubular, slightly curved stomach. The stomach is followed by a long, narrow tube, the small intestine. A bilobed urinary bladder also opens into the cloaca. Digestive Glands The major digestive glands are: Gastric glands,Liver,Pancreas Intestinalglands. Gasric glands are tiny glands found in the wall of stomach.
Circulatory System III: The HeartWhat purpose does the heart serve? And how do different types of hearts function? In this lesson, you'll learn about two, three and four-chambered hearts. Explore our library of over 10,000 lessons You now have full access to our lessons and courses, watch the lesson now or keep exploring. You've watched a video! You took a quiz! You just finished your first lesson. You're making great progress. You've learned so much, but only scratched the surface. Getting a perfect score on a quiz is how you gain course progress. You're getting the hang of this! Look how far you've come! Keep clicking that 'next lesson' button whenever you finish a lesson and its quiz. You're 25% of the way through this course! Two days in a row, nice!