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
Given below is a highly schematic diagram of the human blood circulatory system.
 |
- Which part (state the number) represents the heart? Give reason in support of your answer.
- Which numbers represent the following, respectively?
Aorta Superior vena cava Hepatic portal vein Renal Vein Pulmonary artery Stomach
Choose the correct answer:
English physician who discovered blood circulation was ___________
Which side of the heart (left or right) contains oxygenated blood?
Write a short note on the human heart.
In what ways does the blood entering the kidney differ from that leaving the kidney?
Name the systems that carry out the different functions of the body.
All the waste products of the body are excreted through the circulatory system.
Agranulocytes are about ______ % of total WBCs.
Which of the following is the main site of erythropoiesis in adults?
Identify the CORRECT statement/s regarding blood clotting.
