Heart Lab Flashcards
The inferior tip of the heart
Apex
The wide superior end of the heart which is attached to several large blood vessels.
Base
A protective tissue surrounding the heart that includes the outer fibrous pericardium and the inner serous pericardium.
Pericardial sac (pericardium)
Small, earlike projections that extend anteriorly from each atrium. The auricles can expand to increase the capacity of each atrium.
Left and right auricles
The _______ is the outermost layer of the heart wall which is made up of these three things
The epicardium is the _________ of the heart wall which is made up of 1. simple squamous epithelium, 2. connective tissue, and 3. fat.
The _______ is the middle layer, composed of cardiac muscle which provides the _____
The myocardium is the middle layer which is composed of ___________ which provides the force that propels blood through the heart.
The ______ is the smooth inner layer of the heart wall. It consists of _______ and reduces ____________.
The endocardium is the _______ layer of the heart wall. It consists of simple squamous epithelium and reduces friction as blood flows through the heart.
Upper chamber of the heart on the right side
Right atrium
The upper chamber of the heart on the left side.
Left atrium
The lower chamber of the heart on the right side.
Right ventricle
The lower chamber of the heart on the left side.
Left ventricle
The atria are separated from each other by the
interatrial septum
The ventricles are separated from each other by the ______
Interventricular septum
