Endocrine System
The gland known as the "master gland"
What is the pituitary gland?
This bone protects your brain
What is the cranium? (skull)
The upper chambers of the heart are called these
What are the atria?
This type of muscle is voluntary and attached to bones
What is the skeletal muscle?
This sense detects light
What is vision?
This hormone lowers blood glucose levels
What is insulin?
This bone is located in your upper arm
What is the humerus?
This blood vessel carries oxygenated blood away from the left ventricle
What is the aorta?
The functional unit of a muscle fiber is called this
What is a sarcomere?
These receptors in the skin detect pain
What are nociceptors?
This Gland produces T3 and T4 and regulates metabolism
What is the thyroid gland
These two bones are found in your lower leg
What is the Tib/Fib
These valves prevent backflow between the atria and ventricles
What are the atrioventricular (AV) valves?
This neurotransmitter is released at the neuromuscular junction
What is acetylcholine? (ACh)
These receptors in your tongue detect taste
What are taste buds?
This hormone is released from the adrenal medulla during fight or flight
What is epinephrine? (adrenaline)
This bone forms your heel
What is the calcaneus?
This structure acts as the natural pacemaker of the heart
What is the sinoatrial (SA) node?
During contraction, these two filaments slide past each other
What are actin and myosin?
This part of the eye controls how much light enters
What is the pupil?
This hormone is secreted by the posterior pituitary and increases water reabsorption in the kidneys
What is ADH? (antidiuretic hormone)
This large, triangular bone forms the back part of your pelvis
What is the sacrum?
This blood vessel carries deoxygenated blood from the right ventricle to the lungs
What is the pulmonary artery?
This protein forms the thick filaments in skeletal muscle
What is myosin?
This structure in the ear vibrates in respone to sound waves
What is the eardrum?