Question: Which Is The Largest Human Cell?

What is the second largest cell in the human body?

Largest one is NERVE CELL.Second largest is OVUM/EGG.Longest cell is NERVE CELL.Smallest one is Granule Cell of the Cerebellum (remember in context of volume sperm is)World’s smallest cell is PPLO( Mycoplasma)World’s largest cell is Ostrich eggs..

What is the largest organ in the human body?

Skin is the human body’s largest organ. Body organs aren’t all internal like the brain or the heart. There’s one we wear on the outside. Skin is our largest organ—adults carry some 8 pounds (3.6 kilograms) and 22 square feet (2 square meters) of it.

What is the longest nerve cell?

The longest axons in the human body are those of the sciatic nerve, which run from the base of the spinal cord to the big toe of each foot. The diameter of axons is also variable. Most individual axons are microscopic in diameter (typically about one micrometer (µm) across).

What is the smallest organ in human body?

What’s the smallest organ in the human body? You’ll find the pineal gland near the center of the brain, in a groove between the hemispheres. It’s not an organ like those in the abdominal cavity.

Who discovered cell?

Robert HookeInitially discovered by Robert Hooke in 1665, the cell has a rich and interesting history that has ultimately given way to many of today’s scientific advancements.

Which is the smallest animal cell?

Mycoplasma gallicepticumThe smallest cell is Mycoplasma gallicepticum. It is about 10 micrometer in size. The largest cells is an egg of ostrich. It is about 15 to 18 cm long and wide.

Which cell is the largest cell in the human body?

The sperm is the smallest cell in human biology, but also one of the most complex. The egg meanwhile is the largest cell and similarly intricate. Looking further out into the natural world, the diversity of these sex cells, or gametes, is truly remarkable. Most species have two gametes, which we term male and female.

What are the top 10 body organs?

Top 10: What are the heaviest organs in the human body?Liver. Liver © iStock. … Brain. Brain © iStock. Average weight: 1,500g. … Lungs. Lung © iStock. Average weight: 1,300g. … Heart. Heart © iStock. Average weight: 300g. … Kidneys. Kidneys © iStock. Average weight: 260g (pair) … Spleen. Spleen © iStock. Average weight: 175g. … Pancreas. Pancreas © iStock. Average weight: 70g. … Thyroid.More items…

Which organ of the body works 24 hours?

At night when we sleep, the brain takes our consciousness offline so it can start its real work: sorting through the day’s information, storing the important parts, and cleaning out the gunk that accumulated. The brain is so well-designed, in fact, that we hardly even notice when it’s breaking down.

Which animal has longest nerve cell?

blue whaleTherefore the longest axon in the blue whale, which is itself the largest mammal, is probably the DRG.

What is the name of the largest cell?

ovumThe human egg (ovum) is the largest cell in the body and a nerve cell is the longest cell in the human body. The sperm is the smallest cell in human biology, but also one of the most complex.

Which is the longest animal cell?

Complete answer: Neuron also known as a nerve cell is a cell that is the longest cell of animals which has the capability to get excited by electrical or chemical impulse.

What is the longest nerve cell in the human body?

The sciatic nerve is the largest and longest spinal nerve in the human body. Extending from the lumbar and sacral plexuses in the lower back, the sciatic nerve runs through the buttocks and into the thighs. It delivers nerve signals to and from the muscles and skin of the thighs, lower legs and feet.

Which is the largest cell structure?

nucleusThe nucleus is the largest cellular organelle, and the only one visible using a light microscope. Much like the cytoplasm of a cell is enclosed by a plasma membrane, the nucleus is surrounded by a nuclear envelope that separates the contents of the nucleus from the contents of the cytoplasm.

What is the hardest bone in the human body?

The hardest bone in the human body is the jawbone. The human skeleton renews once in every three months.

Which is the largest and longest cell?

The largest cells is an egg cell of ostrich. The longest cell is the nerve cell. The largest cell in the human body is female ovum. Smallest cell in the human body is male gametes, that is, sperm.

Which animal cell is long and branched?

nerve cells are branched in animals like humans. An animal cell which has a branched structure is nerve cell also known as neuron.