In chemical signaling, which of the following is considered to be a second messenger?

A)Ligand
B)Neurotransmitter
C)Cyclic AMP
D)Hormone
E)G protein


C)Cyclic AMP

Anatomy & Physiology

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The term cephalad means toward the head.  

Answer the following statement true (T) or false (F)

Anatomy & Physiology

A synovial membrane is entirely connective tissue

Indicate whether the statement is true or false

Anatomy & Physiology

Normally, sperm moves from the seminiferous tubules into the epididymis and then the ductus deferens, ejaculatory duct, and urethra

Indicate whether the statement is true or false

Anatomy & Physiology

Match the symbol with the correct element:

1. calcium 2. carbon 3. potassium 4. phosphorus 5. lead 6. sodium A. P B. Na C. Ca D. C E. K F. Pb

Anatomy & Physiology