What is the 2nd strongest bone in the human body?

The tibia is the stronger of the two bones and is sometimes called the shinbone. The tibia connects the knee with the ankle. It is the second largest bone in the human body.

Why the heart is the most important organ?

The heart is one of the body’s most essential organs. The heart is the body’s engine room, responsible for pumping life-sustaining blood via a 60,000-mile-long (97,000-kilometer-long) network of vessels.

What is heart structure?

The human heart is a four-chambered muscular organ, shaped and sized roughly like a man’s closed fist with two-thirds of the mass to the left of midline. The heart is enclosed in a pericardial sac that is lined with the parietal layers of a serous membrane.

What is an example of irregular bones?

Examples of irregular bones are the vertebrae, hip bones, and several skull bones. Sesamoid bones are small, flat bones and are shaped similarly to a sesame seed. The patellae are sesamoid bones.

What are the function of the heart?

The human heart is an organ that pumps blood throughout the body via the circulatory system, supplying oxygen and nutrients to the tissues and removing carbon dioxide and other wastes. “The tissues of the body need a constant supply of nutrition in order to be active,” said Dr.

Which is the weakest bone in your body?

Femur is the longest, heaviest and strongest bone in human body. It is located in your thigh. Clavicle or the collar bone is the softest and weakest bone in the body.

Who has the lowest pain tolerance?

One study found that women experienced more pain after surgery than men. After analysis of many studies on pain and gender, researchers concluded that females have a lower pain threshold than males.

What is the most painful bone in the body to break?

Leg bones are usually some of the strongest in the body and it takes a big impact such as a serious fall or a car accident for them to break. A fracture that occurs lower down the femur is classed as a broken leg rather than hip and is one of the most painful breaks to experience.

What is the conclusion of circulatory system?

In conclusion, your heart works like a pump which provides nutrients to every organ, tissue, and cell throughout your body. In turn, your cells dump waste products, like carbon dioxide, back into your blood to be returned to your heart.

Which is the longest in the body?

The longest bone in the human body is the femur. The largest artery is the aorta and the largest vein is the inferior vena cava. The largest internal organ (by mass) is the liver, with an average of 1.6 kilograms (3.5 pounds). The largest external organ, which is also the largest organ in general, is the skin.

Which is the biggest bone in our body?

femur

What’s the most important part of the heart?

The atria are the receiving stations of the heart. The right atrium receives its supply of oxygen-poor blood from the two largest veins in the body, the superior and inferior vena cava. The left atrium receives blood that has been oxygenated in the lungs from the pulmonary veins.