Bio 132: EXAM 2 NEWEST EXAM COMPLETE QUESTIONS AND CORRECT DETAILED ANSWERS (VERIFIED ANSWERS) |ALREADY GRADED A+||BRAND NEW VERSION!!

Bio 132: EXAM 2 NEWEST EXAM COMPLETE QUESTIONS AND CORRECT DETAILED ANSWERS (VERIFIED ANSWERS) |ALREADY GRADED A+||BRAND NEW VERSION!! What are the two major body cavities? - Answer- Dorsal Cavity and Ventral Cavity What does the dorsal cavity contain? - Answer- The brain and spinal cord What is the cranial cavity? - Answer- The portion of the dorsal cavity containing the brain What is the vertebral canal? - Answer- The portion of the dorsal cavity containing the spinal cord What does the ventral cavity contain? - Answer- The organs of the torso, including the ribcage, abdomen, and pelvis What separates the thoracic cavity from the abdominopelvic cavity? - Answer- The diaphragm What organs are found in the thoracic cavity? - Answer- Two lungs and the heart What is the mediastinum? - Answer- A space between the two pleural cavities that includes several organs, including the heart What is the pericardial cavity? - Answer- The cavity that contains the heart, surrounded by serous membranes What organs are located in the abdominal cavity? - Answer- Organs above the pelvis and below the diaphragm What organs are located in the pelvic cavity? - Answer- Organs within the bowl of the pelvis What are external structures in anatomy? - Answer- Organs located outside of the major body cavities, such as skin and limbs What is the anatomical position? - Answer- A common reference position where the body is facing forward, standing upright, with palms facing forward What does 'anterior' mean? - Answer- Toward the front of the body What does 'posterior' mean? - Answer- Toward the back of the body What does 'ventral' mean? - Answer- Toward the belly side What does 'dorsal' mean? - Answer- Toward the back (spine) side What does 'medial' refer to? - Answer- Toward the midline of the body What does 'lateral' refer to? - Answer- Toward the left or right side of the body What does 'superior' mean? - Answer- Toward the top of the body What does 'inferior' mean? - Answer- Toward the bottom of the body What does 'superficial' mean? - Answer- Toward the surface of the body What does 'deep' mean? - Answer- Toward the core or center of the body What is the function of the skin in mammals? - Answer- Protection from water loss and disease-causing organisms What is the largest organ of the body? - Answer- The skin What is the purpose of dissection in anatomy studies? - Answer- To appreciate the arrangement and organization of organs What is the ethical expectation during dissections? - Answer- To treat the specimens with respect and avoid inappropriate behaviors What tools are commonly used in dissection? - Answer- Dissecting scissors and dissecting probes What is the role of the diaphragm in the body? - Answer- It separates the thoracic cavity from the abdominopelvic cavity What is the first step in the rat dissection procedure? - Answer- Insert dissecting scissors into the skin superior to the urethra. What should you avoid when cutting during dissection? - Answer- Cutting too deep, as it may damage tissues. What organ is located within the ribcage of the rat? - Answer- The heart. What is the function of the heart in the circulatory system? - Answer- To pump blood through the blood vessels of the body. What is the thymus and where is it located? - Answer- A soft, spongy organ above the heart where white blood cells develop. What is the largest lymphatic organ in the rat? - Answer- The spleen, located on the left side of the body. What is the primary function of the spleen? - Answer- To filter blood and contain white blood cells to help remove impurities. What is the role of the respiratory system? - Answer- To move air into and out of the lungs. What does mucus do in the respiratory system? - Answer- Helps to moisten and cleanse the air before it reaches the lungs. What is the esophagus and where does it travel? - Answer- A muscular tube behind the trachea that travels down the neck to the stomach. What is the function of the stomach in the digestive system? - Answer- To store partially-digested food before it moves to the intestines. What is the cecum? - Answer- A large pouch where the large and small intestines meet. What are mesenteries? - Answer- Thin, translucent membranes that hold the intestines together. What organs are involved in the urinary system? - Answer- Kidneys, urinary bladder, and ureters. What is the primary function of the kidneys? - Answer- To filter blood and produce urine. What do the adrenal glands produce? - Answer- Hormones involved in the sympathetic nervous system and water balance. What is the role of hormones in the endocrine system? - Answer- To act as chemical messengers that communicate with other organs. What does the pancreas produce? - Answer- Digestive secretions and hormones like insulin and glucagon. What reproductive organs are found in male rats? - Answer- Scrotum, testes, epididymis, penis, and seminal vesicles.