what is the function of the intestinal villi?
Absorption
What part of the nephron is where small molecules are removed from the blood?
Glomerulus
The heart's natural pacemaker is the
SA node
which way does oxygen flow in the lungs?
from the lungs to the blood (capillaries)
what type of blood cell protects against infection
White blood cells
the large intestine is the site for absorption of ?
water
The process in the nephron where nutrients are transferred from the tubule to the capilary
Reabsorption
Blood pressure is a measurement of the
Force of the blood against the wall of an artery
which way does oxygen flow in the capillaries?
From the blood to the cells
When fluid between the cells enters the lymphatic vessels, it is called __________.
lymph
which part of the small intestine absorbs fat soluble vitamins and fatty acids?
Illeum
The main role of the skin in the excretory system is to release
excess water and salt
right ventricle
what structure closes over the larynx to keep food out of your windpipe (trachea) when you swallow
epiglottis
What is the name of the lymphatic capillary in the intestinal villi?
lacteal
What organ secretes digestive enzymes into the duodenum?
Pancreas
What are two functions of the kidney?
Filters the blood and maintains pH
part of the heart that pumps oxygenated blood to the body
left ventricle
what part of the lungs does gas exchange occur
Alveoli
what organ makes T-cells for the immune system
Thymus
Name 3 functions of the liver.
produces bile, filters toxins from the blood, regulates sugar levels by storing and releasing glycogen
The process in which a patient's blood is chemically processed and where wastes are removed through a machine
dialysis
which part of the heart receives oxygenated blood from the lungs
left atrium
What is the difference between emphysema and asthma
asthma causes constriction of the airway due to muscle spasm, emphysema is caused by the destruction of alveoli due to smoking which reduces the surface area for gas exchange
this organ filters and removes dead cells from the lymphatic system
spleen