Question

1. Fill in blanks

1. Heart is part of the........system.
2. Circulatory system helps in carrying.........all over the body.
3.........carry blood from all over the body to the heart.
4. An...........in the human body is a group of various organs
which work together to perform a specific function.

Group 2:

1. In the lungs, carbon dioxide is replaced with........
2.............carry blood from the heart to the other parts of the body.
3. Blood transports oxygen and.............to all parts of the body.
4. The circulatory system consists of heart, arteries and...........

Group 3:
1. There are 2 types of blood vessels: arteries and..........
2. Heart is divided into.........chambers.
3. Blood carries carbon dioxide to the........
4. Circulatory system pumps......throughout our body.

Group 4:
1.............fights diseases.
2. Blood vessels are thin..........that carry blood throughout our body.
3. Our heart pumps...........when we run and...........when we sit.
4. Oxygen rich blood goes from lungs to the........​

Answer 1

1. Fill in blanks

1. Heart is part of the circulatory system.

2. Circulatory system helps in carrying blood and oxygen all over the body.

3.Veins carry blood from all over the body to the heart.

4.An organ system in the human body is a group of various organs

which work together to perform a specific function.

Group 2:

1. In the lungs, carbon dioxide is replaced with oxygen.

2.Arteries carry blood from the heart to the other parts of the body.

3. Blood transports oxygen and nutrients to all parts of the body.

4. The circulatory system consists of heart, arteries and veins.

Group 3:

1. There are 2 types of blood vessels: arteries and veins.

2. Heart is divided into four chambers.

3. Blood carries carbon dioxide to the lungs.

4. Circulatory system pumps blood throughout our body.

Group 4:

1.White blood cells fights diseases.

2. Blood vessels are thin capillaries that carry blood throughout our body.

3. Our heart pumps fast when we run and slow when we sit.

4. Oxygen rich blood goes from lungs to the left atrium.

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Answer 2

The answers are as follows:

Group 1:

1. Heart is part of the circulatory system.

2. Circulatory system helps in carrying blood all over the body.

3. Veins carry blood from all over the body to the heart.

4. An organ system in the human body is a group of various organs which work together to perform a specific function.

Group 2:

1. In the lungs, carbon dioxide is replaced with oxygen.

2. Arteries carry blood from the heart to the other parts of the body.

3. Blood transports oxygen and nutrients to all parts of the body.

4. The circulatory system consists of heart, arteries and veins.

Group 3:

1. There are 2 types of blood vessels: arteries and veins.

2. Heart is divided into four chambers.

3. Blood carries carbon dioxide to the lungs.

4. Circulatory system pumps blood throughout our body.

Group 4:

1. White blood cells fights diseases.

2. Blood vessels are thin capillaries that carry blood throughout our body.

3. Our heart pumps faster when we run and slower when we sit.

4. Oxygen rich blood goes from lungs to the left atrium.

Organ Systems of Human Body:

A group of organs that cooperate to carry out one or more functions is known as an organ system in biology. There are 11 organ systems in human body:

• respiratory system
• digestive and excretory system
• circulatory system
• urinary system
• integumentary system
• skeletal and muscular systems
• endocrine system
• lymphatic system
• neurological system
• reproductive system

Circulatory System:

• To obtain oxygen into the blood, the circulatory system (cardiovascular system) pumps blood from the heart to the lungs.
• The remainder of the body receives oxygenated blood from the heart via arteries.
• Oxygen-depleted blood is returned to the heart by veins to restart circulation.

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