Explanation

Explanation

Platelets (a type of blood cell) and proteins in your plasma (the liquid part of the blood) work together to stop the bleeding by forming a clot over the injury. 

Vitamin K helps to make various proteins that are needed for blood clotting and the building of bones.

Explanation

New born child has 300 bones.

Longest bone: Femur (thigh bone)

Shortest: Stapes (one of the 3 small bones inside the ear)

Human head has 22 bones

Explanation

• The nervous system is the body system that controls and coordinates the functions of all other organ systems.
• It allowing for integration and regulation of various bodily functions.
• It consists of the brain, spinal cord, nerves, and sensory organs.

Explanation

Tooth enamel is the white, visible part of the tooth and it is also the hardest part of the human body.

 The main mineral composition is hydroxyapatite, a crystalline of calcium phosphate.

Explanation

The medulla or the midbrain is responsible for important bodily functions such as heartbeat and breathing,

It is also responsible for hand-eye coordination and depth perception.

Explanation

The kidneys are part of the urinary tract that makes urine (pee).

Urine has salts, toxins, and water that need to be filtered out of the blood.

After the kidneys make urine, it leaves the body using the rest of the urinary tract as a pathway.

Explanation

Tissue is composed of similar types of cells that work together to accomplish common tasks, and the study of biological tissue at the tissue level is histology.

Histology means نسیجیات

Explanation

The cerebrum is the largest part of the brain.

The largest part of the brain, the cerebrum has two hemispheres (or halves).

The cerebrum controls voluntary movement, speech, intelligence, memory, emotion, and sensory processing.

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RY4-12-2022

Explanation

Pneumonia is a form of acute respiratory infection that affects the lungs

The lungs are made up of small sacs called alveoli, which fill with air when a healthy person breathes

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ND2-2-2023