Viruses form a connecting link between the living and the non-living. Listed below are a few attributes of viruses that could help one identify... View Article
Some reasons supporting the fact that viruses are non-living are - Outside hosts, they are inert It can be crystallized They do not have a... View Article
Some traits and attributes of viruses are - Forms a connecting link between the living and the non-living Viruses neither grow nor respire... View Article
Few practices which enhance the carrying capacity of habitats for wild insect assemblages and the crop pollination associated with it are -... View Article
The following are the traits of plants that adapt to the biotic pollination mode - Existence of few types of relationships between pollen... View Article
Tachycardia is a fast heart rate that typically is seen during excitement or exercising however, can be induced by drugs, high body temperature,... View Article
The functions of the cardiac conduction system are - Adapts heart to beat under various functional requirements. The sympathetic nervous... View Article
Even though the chambers of the heart are filled with blood, it provides some oxygen and nourishment to the tissues of the heart. The walls of... View Article
Occasionally, incomplete resorption of the right valve of the sinus venosus can result in the presence of a meshwork of fibrous strands... View Article
The oxygenated blood from the placenta in the fetal circulation flows towards the heart. Most of this is diverted away from entering the liver... View Article
Towards the third month of fetal development, all the major blood vessels and the heart are fundamentally formed. Generally, the blood flow is in... View Article
The left ventricle acquires blood from the left atrium, pumping it all through the aortic artery to all the tissues of the body. Most of the... View Article
The parietal pericardium superiorly surrounds the pulmonary trunk and the aorta which is known as the arterial reflection or the arterial... View Article
The mediastinum is first categorized into the inferior and superior mediastinum by a midsagittal imaginary line known as the transverse thoracic... View Article
Different species have different places of attachment in the uterus. In case more than one ovulation takes place in the ovary, there are more... View Article
Once fertilization occurs, the zygote starts cell division, while passing through the oviduct. This initial division is cleavage as it occurs in... View Article
In order to refrain from the event of multi sperm fertilization, the moment sperm penetrate into the zona pellucida successfully, this region... View Article
Membrane fusion is one of the steps taking place for fertilization to take place when spermatozoa encounter an oocyte. Once the zona pellucida... View Article
If the spermatozoa are in the oviduct just before the ovum arrives at the site of fertilization, there are high chances of fertilization. In... View Article
For a viable ovum to be fertilized by sperms, it itself has to be fertile. Sperms have to meet these requirements to be called fertile. They are... View Article
