Which gland is a small, pinecone-shaped organ that is attached by a slim stalk to the roof of the third ventricle in the brain?
Ans: Pineal gland
Anatomy & Physiology
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By the time the fertilized egg reaches the uterus, it is a hollow ball of cells called a:
a. zygote b. morula c. blastocyst d. fetus
Anatomy & Physiology
With 2:1 rhythm, the atrial rate is very rapid and the ventricular rate is normal or above normal, whereas with 2:1 block, the atrial rate is normal but the ventricular rate is below normal
Indicate whether the statement is true or false
Anatomy & Physiology
Modifiers that affect heart rate are _______.
A) agonists B) antagonists C) inotropic D) chronotropic
Anatomy & Physiology
Which of the following lymphoid organs functions at peak level during youth?
A) Peyer's patches B) lymph nodes C) thymus D) spleen E) tonsils
Anatomy & Physiology