Question

Science Quiz / Puzzle

Across

1. Rhythmic contraction and relaxation of the heart.

3. Structural and functional unit of a kidney.

4. Food is transported in the plant through.

6. A structure in which urine is stored.

8. Takes blood away from the heart.

9. Blood vessel that brings blood towards the heart.

10. Structures where blood gets oxygenated.

Down

1. Pigment in RBC that transports oxygen.

2. The largest vessel that arises from the left ventricle.

5. Heart chamber that pumps blood into arteries.

7. A disease marked by the presence of sugar in the urine.

Accepted Answer

Across
1. The muscles of the heart contract and relax rhythmically. One cycle of contraction and relaxation of the heart is called a heartbeat.
3. The waste which is present in the blood has to be removed from the body. This function is performed by the kidney. The structural and functional unit of the kidney is the nephron.
4. The leaves synthesize food which is transported to all parts with the help of vascular tissue called phloem.
6. From the kidney, the urine goes into the urinary bladder through the ureters.
8. The artery carries oxygen-rich blood from the heart to all the parts of the body.
9. Veins carry deoxygenated blood to the heart for purification. It has valves to prevent the backflow of blood.
10. A pair of spongy air-filled structures located on the sides of the chest are lungs where oxygenation takes place. These structures contain sac-like structures called alveoli, where the gaseous exchange takes place.

Down
1. The pigment in RBC is known as hemoglobin. It helps in the transport of oxygen in the form of oxyhemoglobin.
2. The aorta is the main artery that carries blood away from the heart to the rest of your body.
5. The ventricle is the chamber that pumps blood into the arteries.

7. Diabetes is a metabolic disease characterized by high blood glucose level (or blood sugar). It is caused due to hyposecretion of insulin hormone.

Important Questions on Transportation in Animals and Plants

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