The figure below shows a living cell from the lung epithelium of a newt at different stages in M phase. Identify the stage in M phase that each panel figure represents. (A) (B) (C) (D) (E) (F)

If you are given a prepared slide of fish gill tissue (gills are responsible for gas exchange between the fish and the surrounding water), would you expect to find simple squamous epithelium, stratified squamous epithelium, or simple columnar epithelium in the sample?  (Choose one.) Explain your reasoning

Identify A (name of the layer; blank 1) - Identify B (name of the structure; blank 2) - Identify C (name of the layer; blank 3) - Identify D (name of the cells; blank 4) - E: identify this organ. High mag. Low high mag. D. B B E: Identify this organ Blank # 1 Blank # 2 Blank # 3 Blank # 4 Blank # 5

In the lungs of smokers, a process called metaplasia occurs in which the normal lining cells of the lung are replaced by squamous metaplastic cells (many layers of squamous epithelial cells). Functionally, why is this an undesirable body reaction to tobacco smoke? HINT Your answer should mention the structure and function of the normal lining cells of the lung.

Why is the pseudostratified epithelium of the respiratory tract ciliated while the same type of tissue in the digestive tract is not ciliated?

A hypothetical organ has the following functional requirements : (1) the ability to resist surface abrasion and mechanical stresses;(2) the ability to contract involuntarily when stimulated by cells of the nervous system; and (3) the ability to resist tension in many different planes of force. The organ needs one tissue to carry out each of these requirements, and it also needs one tissue to " glue" all other tissues together, and one tissue to stimulate the contracting cells. What are the five tissues that will make up this hypothetical organ ? Justify your choices .

Following is a list of tissues that have specialized functions and demonstrate corresponding specialization of subcellular structure. Match the tissue with the letter of the cell structures and organelles listed to the right that would be abundant in these cells.  Tissues -Enzyme (protein)-secreting cells of the pancreas -Insect flight muscles -Cells lining the respiatory passages -White blood cells that engulf and destroy invading bacteria -Leaf cells of cacti   Cell Structures and Organelles: a. plasma membrane b. mitochondria c. Golgi apparatus d. chloroplast e. endoplasmic reticulum f. cilia and flagella g. vacuole h. ribosome i. lysosome

A 50-year-old man comes to the physician because of a cough productive of large quantities of mucus for 6 months. He has smoked 1 pack of cigarettes daily for 25 years. Which of the following cell types is the most likely cause of the increase in this patient's secretion of mucus? (A) Columnar ciliated epithelial cells (B) Goblet cells (C) Interstitial cells (D) Macrophages (E) Pneumocyte epithelial cells

RETICULAR CONNECTIVE TISSUE   Describe this tissue. A.  ["contains collagen fibers arranged "regularly" in bundles", B."fine interlacing network of reticular fibers and reticular cells", C."fine interlacing network of elastic fibers and chondrocytes"]            What is the location where this tissue can be found? A. ["stroma of liver, spleen, lymph nodes; red bone marrow; reticular lamina of basement membrane; around blood vessels and muscles", B."forms tendons, most ligaments, aponeuroses", C."fasciae, reticular region of the dermis, pericardium, periosteum, perichondrium, joint capsules, membrane capsules around organs, heart valves"]            What is the function of this tissue type?  A. ["strength, elasticity, support", B."tensile strength", C."forms stroma of organs; binds smooth muscle tissue; filters and removes work out blood cells in spleen and microbes in lymph nodes"]            ADIPOSE CONNECTIVE TISSUE   What is the main cell type in this tissue?…

Name the cell body of nerve cell.