IVY TECH APHY 101 Midterm Exam Graded A+

The tissue through which gases are exchanged between the blood and the air in the lungs is - ANSWER-simple squamous epithelium Body heat is lost primarily by - ANSWER-radiation Bone cells form concentric circles around longitudinal tubes called - ANSWER-central canals A body has been sectioned in such a way that there is one whole lung per section and the urinary bladder has been split in half. What type of section is this? - ANSWER-sagittal Which type of tissue lines the follicles of the thyroid glands? - ANSWER-simple cuboidal epithelium The anaerobic reactions of cellular respiration take place in the - ANSWER-cytoplasm Which action is the main function of the digestive system? - ANSWER-absorption of nutrients A cell is surrounded by an extremely thin, flexible membrane. Why is the membrane selectively permeable? - ANSWER-It allows some substances to pass through and excludes others based on size, polarity, and other factors. What type of tissue is adipose tissue? - ANSWER-connective tissue The human integumentary system includes - ANSWER-skin, nails, hair follicles, and sweat glands DNA and RNA differ in that - ANSWER-DNA holds genetic information and RNA uses that information to synthesize protein. Maintaining a stable internal environment typically requires - ANSWER-negative feedback mechanism Transcription and translation differ in that - ANSWER-transcription produces RNA and translation produces protein. Endoplasmic reticulum is best described as a - ANSWER-network of interconnected membranes