Hormones
This gland produces the "Fight or Flight" hormone, adrenaline.
What is the Adrenal Gland?
These cells are the "builders" that create new bone tissue.
What are Osteoblasts?
These blood vessels have valves to prevent blood from flowing backward.
What are Veins?
This hormone is released to raise blood sugar when you haven't eaten.
What is Glucagon?
This type of muscle is found in the walls of the stomach and is involuntary.
What is the Smooth Muscle
The number of chambers found in a mammalian or avian heart.
What is Four?
These hormones are lipid-derived and can pass directly through cell membranes.
What is Steroids
This functional unit of a muscle is located between two Z-lines.
What is Sarcomere?
The specific name for the "pacemaker" of the heart.
What is the Sinoatrial node (SA Node)