Explanation

• The skin is the outermost layer of the body, covering and protecting the internal organs, muscles, and skeleton.
• It acts as a barrier against external damage, infection, and disease.
• It helps to regulate body temperature, aid in the production of vitamin D, and facilitate the senses of touch and feel.

Explanation

• The skeleton provides support and protection for the human body and its internal organs. 
• It forms a framework that supports the body's muscles, organs, and tissues.
• It forms a framework that protects vital organs such as the brain, heart, and lungs.

Explanation

• The skeleton and muscles work together to support your body and move it forward.
• The skeleton provides the structural framework and support.
• The muscles contract and relax to move the bones and facilitate movement.

Explanation

• Places where two bones meet are called joints.
• Joints are the connections between bones that allow for movement, flexibility, and support.

Explanation

• The ribcage, which consists of the ribs and sternum.
• It forms a protective cage around the thoracic cavity, shielding the vital organs within, including the heart and lungs.

Explanation

• The skull is a bony structure that encloses and protects the brain.
• It is made up of 22 bones that fuse together during childhood and adolescence.
• The skull provides a hard outer layer that safeguards the delicate tissues of the brain, shielding it from injuries and damage.

Explanation

• The skeleton provides the structural framework that gives the body its shape and supports its various parts.
• It is made up of 206 bones that are connected by joints and held together by ligaments and tendons.

Explanation

• The skeleton provides a structural framework that supports and protects the internal organs of the human body, such as the brain, heart, lungs, and digestive organs.
• It also allows for movement, produces blood cells, and stores minerals.

Explanation

The diseases you mentioned are all related to the heart and cardiovascular system:

• High blood pressure (hypertension)
• Hardening of the blood vessels (atherosclerosis)
• Chest pain (angina)
• Heart attacks (myocardial infarction)
• Strokes (cerebrovascular accident)

Explanation

The heart is located in the thoracic cavity, slightly to the left of the center of the chest, behind the breastbone (sternum).