Arteries

Q.

Why do arteries have thick and elastic walls?

Q. Question 2 (i)
Fill in the blanks
(i) The blood from the heart is transported to all parts of the body by the ___

Q.

Blood pressure is lower in veins than in arteries.Give reasons for it.

Q.

Do both arteries and veins contain valves?

Q. What is the difference between the heartbeat and pulse.

Q.

Which is more elastic arteries or veins?

Q.

Give reason.

The arteries have thick and elastic muscular walls.

Q.

The blood vessel that normally carries oxygen rich blood is known as ___.

Q.

The blood from the heart is transported to all parts of the body by the ___________.

Q.

Why do arteries have thick elastic walls?

Q. TICK THE CORRECT ANSWERS:-

Q:When you feel the pulse, what you actually feel is blood rushing through the ______________.
(A)Arteries
(B)Veins
(C)Capillaries
(D)All of these

Q. 1.What happens in heart attack ?
2. What is the normal pulse rate of a person while resting per minute?
3.What is the machanism of transportation os substances in Hydra?

Q. Arteries are best defined as the vessels which

1. Supply oxygenated blood to the different organs
2. Carry blood away from the heart to different organs
3. Break up into capillaries which reunite to form a vein
4. Carry blood from one visceral organ to another visceral organ

Q.

Identify the correct match

I: Arteries – Oxygen-rich blood

II: Arteries – Carbon dioxide rich blood

III: Veins – Oxygen-rich blood

IV: Veins – Carbon dioxide rich blood

Q.

An artery carries deoxygenated blood is called _______________.

Q.

Differentiate between.
Arteries and veins

Q.

Veins carry blood from ____________ to ________________.

Q. There are more number of arteries or veins in the human body ??

Q. Differentiate between.
Arterial system and venous system

Q. State four differences between arteries and veins.

Q. The largest and thickest blood vessels are

1. Arteries
2. Veins
3. Capillaries
4. Venules

Q. When you feel you pulse, what you actually feel is blood rushing through the

(a) arteries
(b) veins
(c) capillaries
(d) platelets

Q. All arteries in the body carry oxygen-rich blood with the exception of:

1. The coronary arteries
2. The hepatic arteries
3. The pulmonary arteries
4. The renal arteries

Q. Fill in the blanks of the following paragraph using just two words - arteries and veins.

___(a)___ carry oxygen-rich blood from the heart to all parts of the body and ___(b)___ carry carbon dioxide-rich blood from all parts of the body back to the heart. ___(c)___ have thin walls and ___(d)___ have thick elastic walls. Blood flows at high pressure in ___(e)___. Valves are present in ___(f) ___ which allow blood to flow only towards the heart. ___(g)___ divide into smaller vessels. These vessels further divide into extremely thin tubes called capillaries. The capillaries join up to form ___(h)___. [4 marks]

Q. The stretching and relaxing of arteries with each heartbeat is felt as throbbing.
What is it called?