Weeks #28-30
What passage ways are in the lower respiratory tract?
Passageways from trachea to alveoli.
How many gallons of blood a day does the heart pump?
1,500
Agranulocytes lack what when stained?
Visible cytoplasmic granules when stained.
When does Hyperopia occur?
What are photoreceptors?
What are Atrial cells BPM?
60 BPM.
Lymphocytes are slightly larger than what cell?
RBC.
What does the hypothalamus do?
Control the pituitary gland.
What is the optic disc?
Area on retina where optic nerve leaves eyeball.
Respiratory system oversees gas exchanges occurring between?
Blood and external environment.
What are ventricular cells BPM?
20 - 40 BPM.
What is the largest WBC?
Monocytes.
What is a gland?
A organ that secretes or excretes substances.
What does the optic disc result in?
A blind spot in our eye.
The cardiovascular system and the respiratory system share responsibility of?
Disposing Co2
Without the unifying control system the heart would be?
Uncoordinated and inefficient pump.
Most common WBC?
Neutrophils.
Malleus and the incus.
Does the sensory layer absorb light?
Yes.
Both the URT and LRT do what?
Purify, humidify, and warm incoming air.
The heart beats as what?
A coordinated unit.
Monocytes fight and activate what?
Chronic infections and activate lymphocytes
What light do green cones respond to?
Green light.
Vitamin A.