What structure takes oxygenated blood from the heart to the rest of the body?

A. Vena cavae
B. Aorta
C. Pulmonary artery
D. Pulmonary vein


Answer: B

Anatomy & Physiology

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Lymphocytes that have not yet been exposed to their specific antigen are known as __________ lymphocytes

Fill in the blank(s) with correct word

Anatomy & Physiology

What are the reproductive organs that produce gametes and hormones?

a. accessory glands b. vagina and penis c. gonads d. all of the above

Anatomy & Physiology

True or False? Vaccinations provide natural-type immunity. Select one:

a. true b. false

Anatomy & Physiology

The stage of a muscle twitch that occurs from the point of stimulation to the beginning of contraction is called the ________ period.

A. contraction B. lag C. latent D. refractory

Anatomy & Physiology