bio quiz 3 Flashcards
rostral
towards forehead
caudal
towards spinal cord
why is white matter white
more myelinated axons
in which direction does arteries move
away from heart
in which direction does veins move
back to heart
plasma
liquid component of blood
erythrocytes
red blood cells (RBC)
what do platelets do
help stop clotting and help healing
platelets come from
bone marrow
leukocytes
white blood cells (WBC)
hemostasis
blood clotting
what makes up most of the blood. In order.?
A. erythrocytes
B. Plasma
C. Leukocytes
A. Plasma
b. erythrocytes
C. Leukocytes
serum in blood is
Remaining fluid when blood
clots and solids are removed
erythrocytes lack nucleus, mitochondria and DNA
erythrocytes lack nucleus, mitochondria, and DNA
hemoglobin-
a protein in red blood cells that carries oxygen from the lungs to the body’s tissues
function of T cells
attack and destroy cells that are infected
B cells function
attack invaders outside the cells
who can receive blood from anyone
AB+
Universal donor
O type
aorta
carried blood to body
superior vena cava
carries blood to heart
INFERIOR VENA CAVA
CARRIES BLOOD TO HEART
pulmonary artery
carries blood to lungs
pulmonary veins
carries blood FROM lungs
septum
wall that separates 2 body cavities
heart split into 2 halves-
atrium and ventricles
endo cardiac
smooth lining of heart chambers
pericarditis
inflammation of pericardium
systole
contraction of the heart
Left Side of heart is systemic. T or F
True
right side of heart pulmonary. T or F
True
Heart , Artery, Capillary, Vein
lymphedema
swelling of tissues caused by blockage of lymphatic vessels
affarent
towards central nervous system . CNS
efferent
exiting CNS
lymphoma
malignant tumor of lymph nodes
thymus
lymphoid tissue organ located in mediastinum
speen is the largest lymphoid organ in body
diastole
relaxation of heart
Atherosclerosis—
type of “hardening of
arteries” in which lipids build up on
the inside wall of blood vessels
electrocardiography has 3 waves. which 3…..
p waves
qrs wave
t wave
bradycardia
heart rate slower than usual;
tachycardia
heart rate faster than usual
veins carry blood where
towards heart
arteries carry blood where
away from heart
arteries function-
distribute nutrients and gases
capillaries function-
serve as exchange vessels for fluids and nutrients
vein function-
collect blood to return to the heart
aneurysm
abnormal widening of arterial
wall
varicose viens
enlarged veins in which blood pools
the higher the blood thickness the more pressure
circulatory shock
failure of circulatory system to delievr oxygen to the tissues
lymphatic vessels allow lymph to only move one way
hypovolemic shock
drop in blood volume which cause blood pressure to be too low
largest lymphatic vessel is
thoracic duct
larynx function
air distribution
major lymphocytes
t and B cells
