The Circulatory System
1. All blood vessels are made up of different tissues.
Which of the following is present in all of them?
Ai এর মাধ্যমে
১০ লক্ষ+ প্রশ্ন ডাটাবেজ
প্র্যাকটিস এর মাধ্যমে নিজেকে তৈরি করে ফেলো
উত্তর দিবে তোমার বই থেকে ও তোমার মত করে।
সারা দেশের শিক্ষার্থীদের মধ্যে নিজের অবস্থান যাচাই
Blood is made up of several different cells.
Which of the following statements about blood cells is incorrect?
Blood travels in several major blood vessels.
Which row in the table shows the correct sequence for the flow of the blood vessels after blood has passed through the vena cava?
pulmonary artery | pulmonary vein | aorta | |
A | 3 | 2 | 1 |
B | 1 | 3 | 2 |
C | 2 | 3 | 1 |
D | 1 | 2 | 3 |
The pressure of the blood leaving the capillaries is about seven times smaller than that of blood entering the capillaries.
Which of the following statements describe this observation?
1 | Veins have fewer elastic and muscle fibres in their walls than arteries. |
2 | Tissue fluid formation is due to a net loss of plasma from capillaries. |
3 | Blood pressure decreases with distance from the heart. |
This question has 4 part(s).