Question

ASSESSMENT: Choose the letter of the best answer. Write your answer on the blank provided 1. Why is respiratory system very important to the body? all enables carbon dioxide to get into the body, b. ll consists of body parts that help the body receive orygen. c. it helps distribute carbon dioxide to the blood. d. It enables the blood lo circulate in your body A 2. How does oxygen in the air get into the bloodz a. though the nose b. Though the throat C. Though the mouth d. Though the tiny capillaries 3. What will happen to the cells of the body when there is absence of oxygens a. The cells will continue to grow and multiply b. The cells will be inactive. C. The cells will survive, d. The cells will die. D 4. How can you keep your heart strong? a. eating heart-shaped candy b. doing activities like playing outside, riding your bike, and swimming C. smoking d. sleeping 18 hours a day 5. What are tubes that carry blood back to the heart a. arteries b. veins C. pipes d. tubes 6. Which of the following describes the correct passage of blood originating from the left leg? a. Vena cava - left atrium-right atrium - lungs- left ventricle-right ventricle - aorta b. Vena cava right atrium - left atrium - lungs - right ventricle --left ventricle - aorta c. Vena cava left atrium - left ventricle - lungs right atrium-right ventricle -- aorta d. Vena cava right atrium right ventricle right ventricle - lungs left atrium -left ventricle -- corta 7.What is the functional unit of the nervous systems cu brain b. neurons C. muscles d. bones 8. What controls and coordinates the activities of the whole nervous system? a. central nervous system b. sympathetic nervous system c. nervous system​

Answer 1

Explanation:

1st Ans expla - Your respiratory system is the network of organs and tissues that help you to breath

This system helps your body absorb oxygen from the air so your organs can work

It also cleans waste gases such as carbon dioxide , from your blood

Thankyou ✔️