Problem 11
The heart and lungs are in the __________ cavity . a. thoracic b. pelvic c. cranial d. abdominal
Problem 12
With negative feedback, a change induces a response that ___________ tje change . a. increases b. reverses
Problem 13
Sunlight encourages ___________ production by skin. a. \(\operatorname{vitamin} D\) b. folate c. collagen d. both a and \(b\)
Problem 14
Hair and nails are keratin-rich structures formed by __________ tissue. a. muscle b. nervous c. epithelial d. connective
Problem 15
Match the terms with the most suitable description. __________exocrine ___________gland ________endocrine _________gland _________ cartilage __________ dermis ________smooth ____________ muscle _________bone _____________ melanin _________ blood _______ neuroglia _________ simple, squamous ______ epithelium a. strong, pliable; like rubber b. secretion through duct c. deep skin layer d. contracts, not striated e. assist and support neurons f. gives color to skin g. lines lungs h. cells in a hardened matrix i. fluid connective tissue j. ductless secretion
