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Do red blood cells have smooth ER?
No, red blood cells do not have smooth endoplasmic reticulum. Red blood cells lack most organelles, including the endoplasmic reticulum, because their primary function is to carry oxygen throughout the body.
Why do fingers pulsate and throb when you cut them?
When you cut your finger, it can trigger inflammation as your body responds to the injury. This inflammation causes blood vessels to dilate, increasing blood flow to the wound for healing. The increased blood flow can create a throbbing or pulsating sensation in the injured area.
What type of muscle is found in the walls of hollow organs and in the walls of blood vessels?
multiunit smooth muscle are found in those areas and a few more.
Which tissues are mainly responsible for vasoconstriction?
Smooth muscle cells within the walls of blood vessels are mainly responsible for vasoconstriction. When stimulated by various factors such as hormones or neurotransmitters, these smooth muscle cells contract, narrowing the diameter of the blood vessel and increasing vascular resistance. This process helps regulate blood flow and blood pressure in the body.
What is harmful substance?
In the body, the liver is responsible for detoxification of the blood, and in the cell, the smooth endoplasmic reticulum.
How wil blood flow out in case an artery is cut?
If an artery is cut, blood will flow out rapidly in a pulsating manner. These high pressure vessels can result in large blood loss iff cut.
What organism has Pulsating vessels that pump blood into sinuses?
3. grasshopper
How does the wall of the aorta help to smooth out blood pressure in the aorta?
The wall of the aorta is highly elastic and so distends when the left ventricle contracts pumping blood into it. As the walls close back in they push the blood along in a more smooth fashion. This stops sudden pressure increases from bursting all the vessels.
Why is the blood in arteries pulsating?
Arteries carry blood that is being pumped by the heart round the body. Therefore the pulsating is the result of the heart's contractions which push the blood round the body. The time in between the pulse beats is when the heart is refilling with blood. The pulse can be felt because the blood is under great pressure from the force of the heart contraction pushing the blood against the walls of the artery and stretching them a little.
What doesnt belong blood smooth cardiac skeletal?
blood. skeletal, cardiac, and smooth are three types of muscle tissue
When you injure ourselves where does the blood come from veins or arteries?
Mostly veins or tiny artery's. If you cut an artery you will have a pulsating bleeding
Why is the blood flow in arteries pulsating?
Arteries carry blood that is being pumped by the heart round the body. Therefore the pulsating is the result of the heart's contractions which push the blood round the body. The time in between the pulse beats is when the heart is refilling with blood. The pulse can be felt because the blood is under great pressure from the force of the heart contraction pushing the blood against the walls of the artery and stretching them a little.
Give an example of smooth muscle?
An example of smooth muscle would be in your blood vessels.
Why does the endocardium have to be smooth?
The endocardium needs to be smooth to facilitate the smooth flow of blood through the heart chambers. A smooth surface reduces the risk of blood clots forming and minimizes friction, allowing for efficient circulation. Additionally, a smooth endocardium helps to prevent damage to the heart valves and muscle.
What is the role of smooth muscle in blood vessels walls?
The smooth muscle, which is innervated by the sympathetic nervous system, controls the diameter of the blood vessel, and it plays an important role in blood pressure.
Do smooth muscles prevent the backward flow of blood toward your heart?
No. Valves in the arteries are responsible for preventing back-flow of blood, not smooth muscles.
How does smooth muscle make blood vessels function?
Smooth muscle is mostly in the afferent branch going from the arteries to the arterioles. The body controls where blood will flow by controlling the vessel diameter. An increase in sympathetic tone constricts smooth muscle, decreases blood vessel diameter, and limits blood flow.
