Blood Flashcards
blood leaves the heart via the ____ and makes its way to the capillaries
veins
vena cava
arteries
arteries
Where does oxygen and nutrients diffuse to using the capillary walls?
the tissues
carbon dioxide and waste move ____ tissues ____ the blood
in, from
from, into
to, from
from, into
what is the definition of hematocrit
the Percentage of RBC’s out of the total blood volume
What are erythrocytes? Leukocytes?
RBC, WBCS
What are the three formed elements?
erythrocytes, leukocytes, platelets
Where does oxygen deficient blood go?
It leaves the capillaries and flows from the veins to the heart
Where does CO2 get released and O2 get picked up?
the lungs
What are the characteristics of blood?
sticky
opaque
metallic tasting
when would blood be scarlet? when would it be dark red?
oxygenrich. oxygen deficient
what is the average temp of blood?
38C
average volume of blood in males? in females?
5-6L. 4-5L.
What percent of blood accounts for body weight?
10%
1%
8%
25%
8%
What is the three main function of the blood?
- distributing (nutrients, oxygen)
- regulation (of blood levels of particular
substance - body protection
Where does blood deliver the oxygen from the lungs and nutrients from our digestive tract to?
the tissues