So I have a question that I would like to have checked, and then I have a question that I need help with. Please understand I am not looking for answers or a link, I am looking for someone to help me understand what the question is asking and how to answer it.
1.) Identify the systems of your body that help your body move, and explain how they work together.
I said:
The systems that help your body move are the skeletal and muscular systems. The skeletal system is the base of your body. Without it, you would be a limp thing that wouldn't be able to move. The muscular system is what helps the body move like it does. Your brain sends a signal to the bone to move, and the muscles around it contract to make it happen.
2.)Describe the flow of blood in the human body, including through each of the four chambers of the heart. Explain how the blood changes as it moves through the different locations of the body.
The second one is the one I need help with. Again, I don't want a link or the answer, I want a straight explanation from somone who understands.
A science tutor may come online to help you. Until then, you should go to https://khanacademy.org — in the upper left corner, click on Courses. Find Biology and choose what you need help with. There’s also a search feature. Search for circulatory system and/or any other topic you need to learn about or review.
Sure, I can help you understand the second question.
To describe the flow of blood in the human body, we need to start with the heart. The heart is a vital organ that acts as a pump to circulate blood throughout the body. It consists of four chambers: two atria (left and right) and two ventricles (also left and right).
The blood flow starts when oxygen-poor blood from the body enters the right atrium through the vena cava, which are large veins. From the right atrium, the blood flows into the right ventricle. When the heart contracts, the right ventricle pumps the blood into the pulmonary artery, which carries the blood to the lungs.
In the lungs, the blood gets oxygenated as it picks up oxygen and releases carbon dioxide through the process of respiration. The freshly oxygenated blood then returns to the heart and enters the left atrium through the pulmonary veins.
From the left atrium, the blood then flows into the left ventricle. When the heart muscles contract again, the left ventricle pumps the oxygen-rich blood out of the heart through the main artery called the aorta.
This aorta branches out into smaller arteries that carry the oxygenated blood to all parts of the body, supplying them with the necessary oxygen and nutrients. As the blood reaches the organs and tissues, it delivers oxygen and nutrients and collects waste products and carbon dioxide.
After traveling through the arteries, the oxygen-depleted blood returns to the heart through the veins. Specifically, it enters the right atrium, completing the cycle.
Throughout this journey, the blood changes as it moves through different locations in the body. Initially, it is oxygen-poor and contains waste products like carbon dioxide. However, as it passes through the lungs, it becomes oxygen-rich and releases carbon dioxide. This oxygenated blood is then pumped throughout the body, delivering oxygen and nutrients to cells and collecting waste products for elimination.
I hope this explanation helps you understand the question and how to answer it. If you have any further questions, feel free to ask.