when blood is in vessel, the blood may be black.
wow your joking right its the heartThe heart pumps blood through the blood vessels.
well, smoking makes the blood vessels alot thinner than they usually are, and tbat makes it harder for the blood to be pumped to the brain.
Long term alcohol use causes the blood vessels to become more fragile and prone to rupture. Alcoholics have a much higher risk of stroke, aneurysms esophageal varicies and bleeding disorders.
epinepherine will constrict tiny blood vessels.
The lungs have a large number of blood vessels because blood vessels carry oxygen to the lungs and the lungs need a lot of oxygen.Because it makes the transfer of oxygen from the lungs to the bloodstream quicker.
Simple squamus
Alcohol widens the blood vessels, which lets more blood into the skin (makes you blush a little). This extra blood flow is what makes you feel warm.
Plasma is primarily found in the circulatory system, which includes the blood vessels and heart. Plasma is the liquid component of blood and makes up about 55% of total blood volume. It carries various substances such as nutrients, hormones, and waste products throughout the body.
Contractions and relaxation of heart chambers make the blood flow inside the tubes or blood vessel.
You think probable to nicotine.
No, skeletal muscle tissues are located in the skeletal muscles and not blood vessels. Blood vessels are usually made of smooth epithelial cell tissue and not more on muscle.
Marrow, and it doesn't hold blood vessels, it makes them.