« previous next »
« previous next »
 

Did you know?

If all the neurons in the human body were lined up, they would stretch more than 600 miles.

Did you know?

According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).

Did you know?

More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.

Did you know?

Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.

Did you know?

The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

(a) Parathyroid hormone (PTH); (b) calcitonin action. (a) Parathyroid hormone (PTH); (b) calcitonin action.
The two mechanisms for terminating neurotransmitter action in the synapse: reuptake and enzymatic ... The two mechanisms for terminating neurotransmitter action in the synapse: reuptake and enzymatic ...
Synaptic transmission. (a) Action potential reaches synapse; (b) neurotransmitter released synaptic ... Synaptic transmission. (a) Action potential reaches synapse; (b) neurotransmitter released synaptic ...
Hierarchical nature of hormone action in vertebrates Hierarchical nature of hormone action in vertebrates
Hormone Activity Hormone Activity
Video: Phases of mitosis

For a complete list of videos, visit our video library