This portion of the brain secretes the hormone melatonin, which helps to regulate the body's circadian rhythm

A.   Habenular nucleus
B.   Anterior nucleus
C.   Pineal gland
D.   Mammillary body
E.   Paraventricular nucleus


C

Anatomy & Physiology

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The period of development during which the contents of a zygote are divided into increasingly smaller cells is called ________.

Fill in the blank(s) with the appropriate word(s).

Anatomy & Physiology

The ________ vein is a superficial vein that ascends along the radial side of the forearm

A) radial B) ulnar C) cephalic D) basilic E) brachial

Anatomy & Physiology

This portion of the brain ensures that skeletal muscle contraction follows the correct pattern leading to smooth, coordinated movements.

A. Medulla oblongata B. Cerebellum C. Cerebrum D. Epithalamus E. Pons

Anatomy & Physiology

Which of the following are considered primary lymphatic organs?

a. thymus and lymph nodes b. red bone marrow and lymph nodes c. red bone marrow and thymus d. tonsils and spleen

Anatomy & Physiology