Advertisements
Advertisements
प्रश्न
Differentiate between:
Open circulatory system and Closed circulatory system.
Advertisements
उत्तर
| Open circulatory system | Closed circulatory system |
| Blood may flow in vessels but also remains in direct contact with tissues. | Blood flows in definite vessels known as arteries and veins. |
| Blood spaces or sinuses are present. | Blood spaces or sinuses are absent |
| Haemocoel is present. | Haemocoel is absent. |
| Found in insects, e.g., cockroach, housefly, etc. | Found in annelids and higher vertebrates. |
APPEARS IN
संबंधित प्रश्न
Aqueous humour, Vitreous humour, lris, Central canal
the Biological/technical term for The vein which drains the blood from the intestine to the liver.
Give appropriate biological or technical terms for the following
The relaxation phase of the heart.
The nearest organ to which the heart supplies oxygenated blood is:
Explain the following:
Why is the closed circulatory system more efficient than the open system?
You can see some blood vessels on the outside of the hands specially in older people. Are those veins or arteries? How can you confirm your answer?
Fill in the blank:
In human body, heart is located on the _____ side of the chest cavity.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Leucocytes show amoeboid movement.
Name the systems that carry out the different functions of the body.
Spleen is referred to as ______.
