The cardiac pacemaker cells are located in which of the following?

A) Purkinje fibers
B) SA node
C) AV node
D) bundle branches
E) bundle of His


B) SA node

Anatomy & Physiology

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________ stimulates the interstitial cells of the testes to secrete ________.

A. Luteinizing hormone (LH); estrogen B. Follicle-stimulating hormone (FSH); androgen-binding protein (ABP) C. Luteinizing hormone (LH); androgen-binding protein (ABP) D. Gonadotropin-releasing hormone (GnRH); LH E. Luteinizing hormone (LH); testosterone

Anatomy & Physiology

During rest conditions, the energy from aerobic respiration is used to produce ______.

a. lactic acid b. adenosine diphosphate (ADP) c. creatine d. creatine phosphate

Anatomy & Physiology

Compare rheumatism with osteoarthritis

What will be an ideal response?

Anatomy & Physiology

Solutions are homogeneous mixtures containing a relatively large amount of one substance called the solvent and smaller amounts of one or more dissolved substances called solutes

a. True b. False Indicate whether the statement is true or false

Anatomy & Physiology