The group of pacemaker cells near the entrance of the superior vena cava forms the ________.
A. bundle of His
B. atrioventricular node
C. myocardium
D. sinoatrial node
Answer: D
Anatomy & Physiology
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Which is an active transport process?
A. Facilitated diffusion B. Bulk filtration C. Ion pump D. Osmosis E. Simple diffusion
Anatomy & Physiology
Although B and T lymphocytes originate in the bone marrow, T cells mature in the ________.
A) spleen B) thymus C) tonsils D) appendix
Anatomy & Physiology
The ischial tuberosities support body weight while sitting on the buttocks.
Answer the following statement true (T) or false (F)
Anatomy & Physiology
The hormone ghrelin is produced by the ________ and acts on the ________.
A. duodenum; stomach B. pancreas; cerebrum C. pancreas; duodenum D. stomach; hypothalamus
Anatomy & Physiology