Anatomy
4 ideas, each explained on one page with a 60-second lesson you can play right there.
-
Adrenal Glands
Learn how the adrenal cortex and medulla produce hormones like cortisol and adrenaline to manage metabolism, blood pressure, and stress.
-
Nasal cycle
The nasal cycle is the subconscious process where your body alternates airflow between your left and right nostrils throughout the day.
-
Portal vein
The portal vein is a large blood vessel in the abdomen that carries blood from the digestive organs and spleen straight to the liver.
-
Skeletal muscle
Skeletal muscle is the striped tissue attached to your bones that contracts to move your skeleton and keep your body upright.