Name That Structure
What is the largest organ of the human body?
Skin
Which body system includes the heart and blood vessels?
Cardiovascular system
What is the longest bone in the human body?
Femur
Which organ pumps blood throughout the body?
Heart
What molecule carries oxygen in red blood cells?
Hemoglobin
What structure separates the thoracic cavity from the abdominal cavity?
Diaphragm
Which body system produces hormones?
Endocrine system
What muscle is primarily responsible for flexing the elbow?
Biceps brachii
Which organs filter the blood and produce urine?
Kidneys
What is the normal resting heart rate range for most adults?
About 60-100 bpm
What part of the brain is primarily responsible for balance and coordination?
Cerebellum
Which system contains the spleen, thymus, and lymph nodes?
Lymphatic/immune system
What bone forms the forehead?
Frontal bone
Which part of the small intestine receives food directly from the stomach?
Duodenum
During inhalation, does the diaphragm contract or relax?
Contract
What valve separates the left atrium from the left ventricle?
Mitral/biscupid valve
Which division of the nervous system controls involuntary functions such as heart rate and digestion?
Autonomic nervous system
What muscle is the primary muscle used for inspiration?
Diaphragm
Which region of the kidney contains the glomeruli?
Renal cortex
Which ion entering a neuron is primarily responsible for the rising phase of an action potential?
Sodium (Na+)
What structure connects the hypothalamus to the pituitary gland?
Infundibulum/pituitary stalk
Which branch of the autonomic nervous system is responsible for “rest and digest”
Parasympathetic nervous system
What four muscles make up the rotator cuff?
Supraspinatus, infraspinatus, teres minor, subscapularis
Which cells in the stomach secrete hydrochloric acid?
Parietal cells
According to the Frank-Starling mechanism, increased ventricular filling generally causes what change in contraction strength?
Increased force of contraction