Name: Complex Tissues (Xylem and Phloem)
Uploaded: 2019-07-19
Duration: 6 min 10 s
Description: The average height of a coconut tree is 30 m. How does a coconut tree move water from its roots to the very tips of its leaves? Is it magic, or is it science...

Question

Match the following:

1. Amoeba	(i) Internal transport
2. Human	(ii) Diffusion
3. Stethoscope	(iii) Valve
4. Veins	(iv) Network of blood vessels
5. Capillaries	(v) Heartbeat

Accepted Answer

1--> (ii)

The movement of molecules from higher concentration to the lower concentration until they attain equilibrium is called as diffusion. Diffusion is the way in which Amoeba obtain oxygen and expel waste gas carbon dioxide.

2 --> (i)

The human circulatory system helps in the transport of oxygen from the heart to the various tissues of the body and carbon dioxide from tissues through blood.

3 --> (v)

Stethoscope is an instrument used to measure the heartbeat of a person. The heart beat in normal person is 72 per minute. The number of pulse rate is equal to the heart beat.

4 --> (iii)

Veins transport deoxygenated blood from all the parts of the body to the heart. The valves of the veins ensure blood flows in only one direction.

5 --> (iv)

Capillaries are tiny blood vessels have thin walls. Oxygen and nutrients from the blood can move through the walls and get into organs and tissues.

1. Amoeba (ii) Diffusion

2. Human (i) Internal transport

3. Stethoscope (v) Heartbeat

4. Veins (iii) Valve

5. Capillaries (iv) Network of blood vessels

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