The brain and spinal cord are covered and protected by three connective tissue layers called:…………………………….  

Use the items in the key to correctly identify the structures described below. Key:  myofilament, sarcolemma, sarcomere, sarcoplasm, tendon, T tubules 1. cord of collagen fibers that attaches a muscle to a bone 2. is the cytoplasm of a muscle cell  

Which of the following is not a direct branch of the abdominal aorta?      

Which endocrine organ sits on top of the kidneys?                     

Platelets have all of the following functions except …………..   .    

It is a cardiac hormone which genes and receptors are widely present in the body. Its main function is to lower blood pressure and to control electrolyte homeostasis. Rising blood pressure stretches the heart wall and stimulates muscle cells in the atria to secrete ……………………  

Which cells fight bacteria by phagocytizing them and bombarding them with hydrogen peroxide?    

The anterior transparent part of the fibrous layer—your “window on the world” – cornea What letter does indicates the cornea?    

What hormones are released from the anterior pituitary?      

The instrument that measures blood pressure is the ……………………………….