Blood leaving the heart in the pulmonary arteries has a relatively

A) high oxygen level.
B) low carbon dioxide level.
C) high pH level.
D) low oxygen level.
E) None of the answers are correct.


D) low oxygen level.

Anatomy & Physiology

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Describe the dorsal respiratory group (DRG)

What will be an ideal response?

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A) 23 single chromosomes. B) 23 chromosomes, each with a pair of duplicate chromatids. C) twice the diploid number of chromosomes. D) 46 pairs of chromosomes. E) 46 chromosomes.

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Deep folds of both the mucosa and submucosa in the small intestine that increase surface are known as ________

A) circular folds (plicae circulares) B) microvilli C) haustra D) villi

Anatomy & Physiology

If the entire epidermis were to become keratinized, visible skin would become incredibly hard and inflexible.

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

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