Lymphatic System
What is the largest lymphoid organ?
Spleen
What are the elastic organs of gas exchange?
Lungs
Which process can be both active and passive?
Exhalation
What structure filters water, mineral ions, organic wastes, and other subs. from the blood?
Kidneys
The lymphatic system returns water and plasma protiens back to what?
Blood circulation
The trachea branches into 2 airways called...
Bronchi
Is this active or passive exhalation?
Internal intercostal muscles pull the thoracic wall downward
active exhalation
peritubular capillary
What two things does the spleen filter from the blood?
1. pathogens
2. used up blood cells
Where do the Bronchioles terminate?
alveolar sacs (alveoli)
Does this occur in Inhalation or Exhalation?
Thoracic cavity and lungs expand, pressure inside the lungs and alveoli drop
Inhalation
Name the three processes urine is formed by:
1. Filtration
2. Reabsorption
3. Secretion
What is the first place fluid enters in the lymphatic system?
lymph capillary beds
What does a diaphragm spasm cause?
Hiccups
Pulmonary capillaries consist of what two structures?
endothelial cells and basement membrane
What urine formation process is the opposite of reabsorption?
Secretion
Where does the fluid drain into after the collecting ducts?
Veins in the lower neck
What structure prevents the drying of the lunngs?
Mucus membrane
Amount of air that can move out of the lungs in 1 breath
Vital capacity
99% returns to the blood
1% is urine