NAME THE FOLLOWING
1. The organ which pumps blood.
2. The chambers of heart.
3. The scientist who discovered blood circulation,
4. The parts of excretory system.
5. A group of cells that perform a particular function.
6. The vein which carries oxygen rich blood to the heart.
7. The artery which carries carbon dioxide rich blood away from the heart.
8. The vascular tissues in plants.
Answers
1.Heart 2.two atria and two ventricles. 3.William Harvey 4.kidneys, ureters, bladder, and urethra. 5.Tissue 6.pulmonary veins 7.pulmonary artery 8.xylem and the phloem
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Answer:
1The organ which pumps blood Heart
2The heart has four chambers: two atria and two ventricles. The right atrium receives oxygen-poor blood from the body and pumps it to the right ventricle. The right ventricle pumps the oxygen-poor blood to the lungs. The left atrium receives oxygen-rich blood from the lungs and pumps it to the left ventricle.
3William Harvey
4The urinary system is made-up of the kidneys, ureters, bladder, and urethra. The nephron, an evolutionary modification of the nephridium, is the kidney's functional unit. Waste is filtered from the blood and collected as urine in each kidney. Urine leaves the kidneys by ureters, and collects in the bladder.
5Tissues are groups of similar cells that have a common function. An organ is a structure that is composed of at least two or more tissue types and performs a specific set of functions for the body. Many organs working together to accomplish a common purpose is called an organ system
6 pulmonary veins
7 Pulmonary artery