Name: The Human Circulatory System
Uploaded: 2019-07-19
Duration: 7 min 37 s
Description: The human heart is the engine that drives us! This muscular organ circulates blood throughout our body using a system of atria, ventricles, and valves. Curio...

Question

Complete the following crossword puzzle.

Across

3. Tubes which carry blood throughout our body.

5. Blood vessels which carry deoxygenated blood from all parts of the body back to the heart.

6. organ which pumps blood to all parts of our body.

8. Blood vessels which carry oxygenated blood from the heart to the body.

9. liquid part of blood

Down

1. Red-coloured pigment in blood.

2. Lower two chambers of heart.

4. Instrument used to measure heartbeats

7. Chemicals that fight infection

Accepted Answer

Across-

3. The tubes that carry the blood throughout the body are called blood vessels. There are three types of blood vessels-arteries, veins, and capillaries.

5. Veins carry deoxygenated blood from all the parts of the body to the heart. The pulmonary vein carries oxygenated blood from the lungs to the heart.

6. The heart is a hollow, muscular organ that consists of cardiac muscles. It pumps blood to all parts of the body through rhythmic contraction and relaxation.

8. Arteries are the blood vessels that carry oxygenated blood to all parts of the body. These are thick-walled blood vessels.

9. The blood is a fluid connective tissue that consists of plasma, red blood cells, white blood cells, and platelets. Plasma is the liquid part of the blood.

Down-

1. Haemoglobin is the red-coloured pigment of the blood that is found in the red blood cells. It binds with oxygen and form oxy-haemoglobin, therefore transporting the oxygen to the body organs.

2. The heart consists of four chambers the upper chambers are called atria and the lower chambers are called ventricles.

4. One complete contraction and relaxation of the heart is called a heartbeat. The heartbeat is measured by a stethoscope.

5. The white blood cells form antibodies that fight infections and provide immunity. These antibodies remain stored in the blood and destroy the antigens.

Lakhmir Singh & Manjit Kaur Solutions for Chapter: Circulatory System, Exercise 3: WORKSHEET

Lakhmir Singh & Manjit Kaur Biology Solutions for Exercise - Lakhmir Singh & Manjit Kaur Solutions for Chapter: Circulatory System, Exercise 3: WORKSHEET

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