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Blood in sentence

3423 examples of Blood in a sentence

Blood goes from one heart pump to the lungs, back to the second heart pump, which sends it to the body, and then back to the first pump.
This flow of water mimics the flow of blood in life.
The needles punch through the epidermis, allowing ink to seep deep into the dermis, which is composed of collagen fibers, nerves, glands, blood vessels and more.
But sometimes a wound penetrates into the dermis, which contains blood vessels and the various glands and nerve endings that enable the skin's many functions.
The first stage, hemostasis, is the skin's response to two immediate threats: that you're now losing blood and that the physical barrier of the epidermis has been compromised.
As the blood vessels tighten to minimize the bleeding, in a process known as vasoconstriction, both threats are averted by forming a blood clot.
A special protein known as fibrin forms cross-links on the top of the skin, preventing blood from flowing out and bacteria or pathogens from getting in.
Among the most important of these are white blood cells, known as macrophages, which devour bacteria and damage tissue through a process known as phagocytosis, in addition to producing growth factors to spur healing.
And because these tiny soldiers need to travel through the blood to get to the wound site, the previously constricted blood vessels now expand in a process called vasodilation.
Through this process, which can take over a year, the tensile strength of the new skin is improved, and blood vessels and other connections are strengthened.
For instance, do fibroblast cells arrive from the blood vessels or from skin tissue adjacent to the wound?
They might be bits of tissue, red blood cells, or clumps of protein.
The windows are actually caused by white blood cells moving through the capillaries along your retina's surface.
Because the space and the white blood cells are both more transparent to blue light than the red blood cells normally present in capillaries, we see a moving dot of light wherever this happens, following the paths of your capillaries and moving in time with your pulse.
This is the red blood cells that have bunched up behind the leukocyte.
This high-ranking organ is made up of lobules that each contains smaller cells called follicles, which store the hormones the thyroid sends out into your blood.
The pituitary's role is to sense if hormone levels in the blood are too low or too high, in which case it sends out instructions in the form of the thyroid- stimulating hormone.
Our blood depends on us moving around to be able to circulate properly.
That's a problem because it temporarily limits the amount of oxygen that fills your lungs and filters into your blood.
In areas that are the most compressed, your nerves, arteries and veins can become blocked, which limits nerve signaling, causing the numbness, and reduces blood flow in your limbs, causing them to swell.
Sitting for long periods also temporarily deactivates lipoprotein lipase, a special enzyme in the walls of blood capillaries that breaks down fats in the blood, so when you sit, you're not burning fat nearly as well as when you move around.
Being stationary reduces blood flow and the amount of oxygen entering your blood stream through your lungs.
As we have hot blood running through our veins and arteries, so, too, the earth has hot water running through its cracks and faults.
Catagen lasts for about two to three weeks and cuts blood supply to the follicle, creating a club hair, meaning it's ready to be shed.
From that specimen that we take from a patient's blood to detect Ebola, we can discard it, obviously.
Increased blood flow to the brain is helpful.
One factor contributing to this internal tussle is the placenta, the fetal organ that connects to the mother's blood supply and nourishes the fetus while it grows.
But in humans and a few other species, the placenta actually penetrates right into the mother's circulatory system to directly access her blood stream.
Through its placenta, the fetus pumps the mother's arteries with hormones that keep them open to provide a permanent flow of nutrient-rich blood.
A fetus with such unrestricted access can manufacture hormones to increase the mother's blood sugar, dilate her arteries, and inflate her blood pressure.
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