Question

In 2000, bob harmon discovered the best-preserved tyrannosaurus rex skeleton ever found. the fossilized dinosaur was sticking out of the wall of a canyon in montana. many scientists were eager to study the fossils. dr. mary schweitzer got one of the leg bones to analyze. dr. schweitzer’s assistant dissolved the bones in acid and discovered that some soft tissue had survived even after 68 million years. the discovery was a shock to the scientific community. no one had ever found such old tissues. dr. schweitzer found structures identical to modern red blood cells and blood vessels inside the bone. which organ system do blood cells and blood vessels belong to?

Answer 1

The blood cells and blood vessels belong to the cardiovascular system.

What is the Cardiovascular system?

The cardiovascular system, also known as your circulatory system, is made up of numerous blood veins throughout your body. Your heart uses the extensive, complex network of blood arteries to carry oxygen and other essentials to every part of your body. Additionally, this network takes away items that your body doesn't require and transports them to organs that can dispose of waste. Your entire body receives oxygen, nutrients, and waste through your blood.

The cardiovascular system's job is to make sure that your body gets the nutrition, oxygen, and other things it needs while eliminating the items it doesn't.

Even when you are asleep, your heart is still pumping blood throughout your body. This explains how your doctor can hear your heartbeat. Your heart is making that sound as it works. Every day, your heart pumps around 2,000 liters of blood.

To learn more about cardiovascular system from the link given below:

brainly.com/question/946975

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