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La Estancia School
11th grade 1st Partial Study Guide 2012

Name: ______________________________________________ Date: _____________
Teacher´s Name: _____________________________________ Grade and Section: ____

Modified True/False
Indicate whether the statement is true or false. If false, change the identified word or phrase to make the statement true.

____ 1.Cartilage is a type of connective tissue. _________________________

____ 2. Blood is a kind of connective tissue that contains cells embedded in a matrix of water. _________________________

____ 3. Organs that work together form an organ system. _________________________

____ 4. Ectothermy is the primary mechanism the human body uses to maintain homeostasis. _____________________________ 5. The hip is attached to the pectoral girdle. _________________________

____ 6. The appendicular skeleton forms the central axis of the body. _________________________

____ 7. The bones of the knee are connected by a semimovable joint. _________________________

____ 8. The hip joint is an example of a ball-and socket joint. _________________________

____ 9. The smoothmuscle that is found in the stomach walls is an example of voluntary muscle. _________________________

____ 10. A muscle fiber is composed of filaments called sarcomeres. _________________________

____ 11. When a muscle fiber contracts, the sarcomeres relax. _________________________

____ 12. The binding of myosin heads to actin filaments during a muscle contraction causes thesarcomere to lengthen. _________________________

____ 13. During vigorous exercise, muscles switch to aerobic respiration. _________________________

____ 14. Anaerobic exercise is primarily done to increase muscle size and strength. _________________________

____ 15. Skin, hair, and nails all contain a hard protein called actin. _________________________

____ 16. Most skin cancers aremelanomas. _________________________

____ 17. _____ Blood is carried through the body in blood vessels. ____________________

____ 18. _____ Oxygen is distributed throughout the body by the respiratory system. ____________________

____ 19. _____ The upper chambers of the heart are called the ventricles. ____________________

____ 20. _____ Blood from the right ventricle flowsinto the aorta. ____________________

____ 21. _____ Contraction of the heart is initiated by a cluster of cardiac muscle cells called the sinoatrial node. ____________________

____ 22. _____ Pulmonary arteries return oxygen-rich blood to the heart from the lungs. ____________________

____ 23. _____ The superior vena cava carries oxygen-poor blood from the upper body to the rightatrium. ____________________

____ 24. _____ Arteries contain valves that prevent the backward flow of blood. ____________________

____ 25. _____ The walls of arteries contain a layer of cardiac muscle. ____________________

____ 26. _____ Blood plasma is composed primarily of water. ____________________

____ 27. _____ Plasmas are bits of cytoplasm pinched off from cells in bonemarrow. ____________________

____ 28. _____ A person with type AB blood can donate blood to a person with any blood type. ____________________

____ 29. _____ A antibodies react to B antigens. ____________________

____ 30. _____ Type O blood contains neither A nor B antigens. ____________________

____ 31. _____ People with type A blood have A antigens on their red blood cells.____________________

____ 32. _____ The lymphatic system returns fluids from around cells back to the blood vessels. ____________________

____ 33. _____ The smallest bronchioles end in clusters of air sacs called alveoli, where gases are exchanged in the lungs. ____________________

____ 34. _____ Hemoglobin carries carbon dioxide to the lungs. ____________________

____ 35. _____...