Weeks #20 - 21
how many sensory receptors are in the eye?
70%
What do blue cones respond to?
Blue light
What is the buffy coat?
Thin, whitish layer containing remaining FE.
How many layers does the pericardium have?
3 layers
Where is the Sinoatrial (SA) Node located?
Right atrium
What is the purpose of eyelids?
To protect the eye
What do red cones respond to?
red and green light
what does Hematocrit measure?
%RBC in Blood vs entire Blood volume.
Where is the sternum located?
In center of the chest
what is the innermost layer?
Sensory layer
What do green cones respond to?
Green light
What are leukocytes?
White Blood Cells that protect body.
What does the Serous Pericardium prevent?
Friction between layers as heart beats.
What is the outer retina layer composed of?
Pigmented cells
What do you see when all 3 cones are stimulated?
White
What are Platelets (PLT)
Cell fragments that help stop bleeding.
What does the Visceral Pericardium cover?
Covers heart and roots of great vessels
What does the fiorous layer consist of?
What happens when you shine red light in one eye and green light in the other?
You see yellow
What % of your body weight is made up by blood?
8%
What are great vessels?
Major blood vessels