Which of the following statements is NOT true regarding the element carbon? A Carbon can only form a few types of chemical compounds.
B Carbon may be found in many types of molecules.
C Carbon can bond to other molecules in a variety of ways.
D Carbon is a critical element found in all biological organisms.

The body is protected against harmful flu viruses by

Define the apical impulse and describe its normal location, size, and duration. which abnormal conditions may affect the location of the apical impulse? explain the mechanism producing normal first and second heart sounds. describe the effect of respiration on the heart sounds. describe the characteristics of the first heart sound and its intensity at the apex of the heart and at the base. describe the characteristics of the second heart sound and its intensity at the apex of the heart and at the base.

Select the correct answer. which statement applies only to the axial skeleton, not the appendicular skeleton? a. it contains a pivot joint. b. it has muscles attached that work in pairs. c. it contains red bone marrow. d. it possesses fossa for bone articulation. e. it protects the heart and lungs.