Chemical digestion begins in the

A. stomach.
B. small intestine.
C. mouth.
D. esophagus.


Answer: C

Anatomy & Physiology

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Norepinephrine is considered a positive chronotropic agent because it causes

A.  less calcium to enter heart  cells, which leads to lower risk of heart attack. B.  more forceful contractions during each heart rate. C.  an increase in the firing rate of SA node cells. D.  thyroid hormone to have a steadying effect on heart activity. E.  heart cell membrane potentials to become more positive during action potentials.

Anatomy & Physiology

Which type of cartilage would be punctured if you chose to pierce the auricle of your ear?

A. Fibrocartilage B. Articular cartilage C. Elastic cartilage D. Hyaline cartilage E. Reticular cartilage

Anatomy & Physiology

What type of photoreceptor cell perceives color?

What will be an ideal response?What will be an ideal response?

Anatomy & Physiology

Discuss how renin and angiotensin II lead to aldosterone production to restore low blood pressure to normal

What will be an ideal response?

Anatomy & Physiology