dsad
Diffusion, Bulk flow, Transcytosis or vesicular transport.
How do materials move between capillaries and interstitial fluid?
Due to the pancreatic hormone insuling and glucagon
How does the lover regulate blood sugar?
inner single squamous layer Continuous w/ endocardium Smooth, facilitates flow
What is the tunica intima and what does it contain?
veins
What needs larger lumens, veins or arteries?
Tunica Intima
What single layer does the capillaries contain?
The Placenta
What allows for the exchange of nutrients, gases, and wastes fetal and maternal tissue?
Pulmonary circulation moves blood between the heart and the lungs. It transports deoxygenated blood to the lungs to absorb oxygen and release carbon dioxide. The oxygenated blood then flows back to the heart. Systemic circulation moves blood between the heart and the rest of the body.
What are some difference between pulmonary and systemic circulation?
Umbilical arteries
What carries CO2 -rich, nutrient-poor blood from the fetus to the placenta?
Arteries
What has higher pressure, veins or arteries?
Arteries
What has thicker walls, veins or arteries?
Veins
What has valves, veins or arteries?
Venous blood from the digestive tract
What is sent to the liver via the hepatic portal vein for processing
middle layer; smooth muscle & elastin fibers The muscle under sympathetic control to regulate the diameter
What is the Tunica Media and what does it contain?
outer layer of fibrous connective tissue Mostly protective Larger vessels w/ vasa vasorum
What is the tunica externa and what does it contain?
Umbilical Vein
delivers oxygenated blood from the placenta to the fetus