Question

- Identify the two major divisions of the peripheral nervous system.

- Describe how blood flows through the heart.

- What controls heartbeat?

- How do arteries differ from veins?

Answer 1

@Alexaalexi

Answer 2

Identify the two major divisions of the peripheral nervous system

Autonomic nervous system and the somatic nervous system

Describe how blood flows through the heart
Oxygen depleted blood enters the heart through the Superior and Inferior Vena Cavas
into the Right Atrium
into the Right Atrium which pumps it
through the tricuspid valve
into the Right Ventrical which pumps it
into the Pulmonic Valve, then through the Pulmonic artery
into the lungs where the blood will become Oxygenated and returns
back into the heart through the Pulmonic vein
into the Left Atrim which pumps it
through the mitral valve
into the Left Ventrical which pumps it
into the Aortic valve
then into the Aorta ( the main artery of the body )
then carried through the rest of the circulatory system
and supplying Oxygenated blood to the tissues (cells) and organs of the body
as the heart continues to contract (squeeze), it pumps blood in the same cycle continuously through the arteries of the body
blood that has been to the tissues and organs will be returned to the heart as the oxygen has been all used up
it returns through the veins and comes back to the heart through the superior and inferior vena cava

What controls heartbeat

The heart beat is controlled by SA nodes sent through electrical impulses. These run from the very top chamber within the heart (the Atrium) and then it comes back as a contraction. This system is repeated over and over

How do arteries differ from veins

Arteries carry oxygenated blood to the extremities and organs; veins carry the de-oxygenated blood back to the heart and eventually to the lungs :D

Answer 3

Awesome job my friend ! 4 For 4 =') @Alexaalexi

Answer 4

u are welcome :D