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Yogita Ingle 5 years, 6 months ago
Liver is the largest gland in human beings.
Its main functions are as follows:
- It secretes bile juice which makes the medium of the food alkaline and also emulsifies fat.
- It stores the excess of glucose in the form of glycogen.
- Old worn-out RBCs are broken down in liver cells. Their haemoglobin is changed into bile pigments.
- The ammonia is produced as a result of metabolism of amino acids. It is highly The ammonia combines with C02 and is converted into urea (less toxic).
- It stores vitamins, iron and copper.
- It produces fibrinogen and helps in blood-clotting.
- It produces heparin which does not allow the clotting of blood inside the blood vessels.
- It regulates the volume of blood to some extent.
- RBCs are produced at the foetus stage by the liver.
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Meghna Thapar 5 years, 6 months ago
The forebrain is the largest part of the brain. It is the main thinking region. It is made up of cerebrum, hypothalamus and thalamus. The midbrain does not have any further divisions. The hindbrain consists of cerebellum, pons and medulla.
Midbrain - The midbrain controls reflex movements of the head, neck and trunk in response to visual and auditory stimuli. It also controls the reflex movements of the eye muscles, changes in pupil size and shape of the eye lens.
Cerebellum - Responsible for precision and fine control of voluntary movements as well as maintaining posture and equilibrium of the body.
Pons - It regulates respiration.
Medulla - Contains vital centre for controlling blood pressure, respiration, swallowing, and salivation, vomiting, sneezing and coughing.
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Sia ? 4 years, 7 months ago
Hence, the minimum resistance which can be made using five resistors each of 1/5 ohms is 1/25 ohms.
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Yogita Ingle 5 years, 6 months ago
Transparent, Translucent and Opaque
- Materials which allow light to pass through them completely are called Transparent objects. Objects on the other side of Transparent objects can be seen clearly. Eg: Glass, water and air.
- Materials which don't allow light to pass through them completely are called Opaque objects. Objects on the other side of opaque objects cannot be seen at all. Eg: Wood, metals etc.
- Materials which allow light to pass through them partially are called Translucent objects. Objects on the other side of translucent objects can be seen but not very clearly.Eg: Oily paper, certain types of designed glass, tissue paper etc
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Yogita Ingle 5 years, 6 months ago
Midbrain-It is involved in functions such as vision, hearing, eyemovement, and body movement.
Cerebellum - The cerebellum has two hemispheres and has a highly folded surface or cortex. This structure is associated with regulation and coordination of movement, posture, and balance.
Pons- It is involved in motor control and sensory analysis. It has parts that are important for the level of consciousness and for sleep.
Medulla Oblongata- This structure is present between the pons and spinal cord. It is responsible for maintaining vital body functions, such as breathing and heartrate.
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Yogita Ingle 5 years, 6 months ago
The magnetic field lines inside a solenoid are in the form of parallel straight lines. This pattern of field lines indicates that the strength of magnetic field is same at all points inside the solenoid.
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Yogita Ingle 5 years, 6 months ago
|
Alveoli |
Nephrons |
|
Structure |
Structure |
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(i) Alveoli are tiny balloon-like structures present inside the lungs. |
(i) Nephrons are tubular structures present inside the kidneys. |
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(ii) The walls of the alveoli are one cell thick and it contains an extensive network of blood capillaries. |
(ii) Nephrons are made of glomerulus, bowman’s capsule, and a long renal tube. |
|
Function |
Function |
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(i) The exchange of O2 and CO2 takes place between the blood of the capillaries that surround the alveoli and the gases present in the alveoli. |
(i) The blood enters the kidneys through the renal artery. The blood is entered here and the nitrogenous waste in the form of urine is collected by collecting duct. |
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(ii) Alveoli are the site of gaseous exchange. |
(ii) Nephrons are the basic filtration unit. |
Posted by Navtej Singh 5 years, 6 months ago
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Yogita Ingle 5 years, 6 months ago
When we take in we take in Oxygen, which achieves the lung alveoli. Oxygen at that point diffuses into the blood of the encompassing vessels from the alveoli which have a high grouping of Oxygen by dispersion.
This oxygenated blood is then dispersed to all the body cells by heart.
In the wake of providing oxygen to the body cells, the blood gathers carbon dioxide which is created by cell respiration in the cells. The tissues or cells have a high grouping of CO2 than the blood so carbon dioxide diffuses from high focus to low fixation. The blood conveys carbon dioxide to lung alveoli.
The trading of gasses happens in the alveoli and tissues. The oxygen breathed in is transported to every one of the parts of the body while carbon dioxide delivered to the cells is gathered from the cells and breathed out.
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Anushka ???? 5 years, 6 months ago
1Thank You