Define pulmonary veins
Define pulmonary veins and also find out their number?
Expert
The pulmonary veins are portion of the pulmonary circulation. They are vessels which carry oxygen-rich (or arterial) blood from the lungs to heart. There are four pulmonary veins, two which drain blood from the right lung and other two which drain the left lung. The pulmonary veins debouch into left atrium bringing arterial blood to heart. Though they are veins, they carry arterial blood and not the venous blood.
Give a brief description of the term leaf cuticle?
Define the term order of reaction?
Write the main functions of cytoskeleton?
Write the other name given to sex chromosomes? What is the main function of sex chromosomes?
Name the cells with delimited nucleus. And, also write down the main elements of the nucleus?
Explain the root pressure?
What are the relevant ploidies of zygote, gamete and somatic cells in a species by gametic meiosis?
Do membranes form just the external wrapping of cells?
What are some main differences of the vertebrate nervous systems comparing to invertebrates?
Is it right to consider water decomposition by the action of light on the basis of photosynthesis method?
18,76,764
1928116 Asked
3,689
Active Tutors
1439845
Questions Answered
Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!