Organisms depend on feedback loops to keep themselves balanced and to stay alive.
Discussion of answers to the Feedback Loops Review.
The nervous system is the communication and control system of the body.
Discussion of answers to the Functions of the Nervous System.
Neurons are the cells of the nervous system that communicate and control the body.
Discussion of answers to the Neuron Roles Review.
How do neurons send signals through the body? In this lecture we investigate action potentials and how they transmit signals within neurons.
Discussion of answers to the Nervous System Communication Review.
Continuing our study of communication in the nervous system, focusing on synapses.
Discussion of answers to the Nervous System Communication Part 2 Review.
The endocrine system consists of glands that produce powerful hormones to control the body's functions.
Discussion of answers to the Endocrine System Review.
Continuing our study of glands and hormones with the thyroid gland, parathyroid gland, pancreas, adrenal glands, and gonads.
Discussion of answers to the Endocrine System Part 2 Review.