Shankar Anna
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This video provides a detailed look at the composition of blood, explaining the roles of plasma, white blood cells, and red blood cells. It also discusses the process of centrifugation, the concept of hematocrit, and the conditions of anemia and polycythemia.
You can’t really point to any single organ as “the endocrine system,” because they’re actually a family of glands that secrete hormones into the body. Hormones travel through the bloodstream to interact with specific target cells and organs. This signaling system helps to keep the entire body well-balanced and on the same page.
Khan Academy
Learn how blood flows through the heart, and understand the difference between systemic and pulmonary blood flow. Rishi is a pediatric infectious disease physician and works at Khan Academy.
Eukaryotic cells have membrane-bound organelles. The nucleus stores DNA. The endoplasmic reticulum and Golgi body are involved in protein maturation and transport. Mitochondria generate usable energy for the cell. Chloroplasts carry out photosynthesis. Vacuoles are storage compartments that sequester waste and help maintain water balance. Lysosomes contain enzymes that help break down waste.
let's look at a blood vessel a blood vessel is kind of like a tube I think you'll agree with me it's a tube through which blood travels so here I'm drawing a tube and I'm gonna ask you a question which is what makes up the walls of this tube now for a blood vessel what makes it up is something called an endothelial cell so actually the walls are made up of these kind of gooey and öthey lleol cells that are stuck together tightly and that together form a tube through which the blood will ...
Since the mother has type O blood, she must have two O alleles as O is a recessive blood type. The kids have genotypes AO and BO resulting in A and B blood types. Since the mom had neither A nor B alleles, they must have both come from the father.
Oct 4, 2023 · Benefits of Learning Objectives in the Classroom. Setting clear learning objectives has numerous benefits for both teachers and students. First and foremost, learning objectives provide direction and focus for lessons,which helps teachers maintain a clear vision of what they want to achieve.
Oct 25, 2012 · What is blood pressure? Learn how a stethoscope can help determine blood pressure; Circulatory System and the Heart
