Weeks #20-21
The percent of sensory receptors in the eyes
What is 70%
Difference between concave and convex
Concave = curved inward
Convex = curved outward
The universal blood type is
O-
What are Great Vessels
Major blood vessels connecting the heart to rest of body
Where is the SA Node located
Right Atrium RA
The fibrous layer consists of.
What is the Sclera and Cornea?
Real image is
Reversed and flipped
The universal receiver is
AB+
What is step 2 of the 10 steps blood takes through the heart
From RA the blood flows through the tricuspid valve into the RV
What is the difference between systole and diastole
Systole in contraction and Diastole is relaxation
The three regions of the vascular layer
What is the Choroid, ciliary body, and the Iris
What does the Auricle do
Collects sound waves and channels them into ear canal
What metal carries oxygen throughout the blood stream
Iron, Fe
What are the four heart valves
AV Tricuspid, AV Mitral, Pulmonary semi-lunar, Aortic Semi-lunar
What happens during Isovolumetric contraction
The Atrial systole ends and ventricular systole begins
The difference between Rods and Cones is
Rods = shapes and black & white
Cones = colors
Metabolism is
The sum of chemical reactions occurring in the body
What is Hemoglobin
The protean that carries iron and and gives the red colour to blood
How many gallons of blood does the heart pump a day
1,500 gallons
What are the periods of the cardiac cycle
Atrial diastole, Atrial systole, Isovolumetric contraction, Ventricular systole, Isovolumetric relaxation
The color(s) that the red cone can sense
What is red and green
The difference between excrete and secrete
Excrete = release waste from body
Secrete = release substance for body function
How does sickle cell affect the body
It causes the RBC to carry less air and clot more often, due to the sickle-like shape
What does ICS stand for
Intrinsic Conduction system
What happens during the QRS complex
Ventricular depolarization begins at the apex and Atrial re-polarization