What is the function of the serous membranes?
What will be an ideal response?
Answer: They act to reduce friction and allow the organs to slide across cavity walls.
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Answer the following statements true (T) or false (F)
1. The combination of an antigen and antibody can activate complement. 2. Complement is a group of proteins that are usually found in an inactive form in the blood. 3. Complement kills cells by drilling holes in the cell membrane, which allows sodium to rapidly leave the cell. 4. Complement kills cells by drilling holes in the cell membrane, which allows water to rapidly leave the cell. 5. Neutrophils are important phagocytes in the immune system.
What epithelial cells are flat and slightly irregular in shape?
a. cuboidal b. columnar c. pseudostratified d. squamous
Calculate the cardiac output in an individual whose stroke volume is 0.075 L and heart rate is 70.
A. 69.925 B. 933 C. 70.075 D. 5.25
Name the bone that articulates with the distal end of the femur.
A. Fibularis B. Tibia C. Fibula D. Calcaneus