Explanation:
The central nervous system processes stimuli information the body receives, and the peripheral nervous system senses stimuli and carries out the reaction.
Answer:
Excretory systems regulate the chemical composition of body fluids by removing metabolic wastes and retaining the proper amounts of water, salts, and nutrients. Components of this system in vertebrates include the kidneys, liver, lungs, and skin.
Explanation:
Step 1: Pacemaker Impulse Generation. ...
Step 2: AV Node Impulse Conduction. ...
Step 3: AV Bundle Impulse Conduction. ...
Step 4: Purkinje Fibers Impulse Conduction.
Answer: Today, almost all evolutionary relationships are inferred from molecular sequence data. This is because: DNA is the inherited material. We can now easily, quickly, inexpensively and reliably sequence genetic material.
Explanation: