MS skin bones and muscles
come to learn
organization of your body
• The levels of organization in the human body include: cells, tissues, organs, and organ systems.
• A tissue is a group of cells that work together.
• An organ is made of two or more tissues that work together.
• Organs that work together make up organ systems.
• There are four tissue types in the body: epithelial tissue, connective tissue, muscle tissue, and nervous tissue.
• There are 12 major organ systems in the body.
• Organs and organ systems work together to maintain homeostasis.
the Integumentary system
• Skin acts as a barrier that keeps particles and water out of the body.
• The skin helps to cool the body in hot temperatures, and keep the body warm in cool temperatures.
• Skin is made up of two layers, the epidermis and the dermis.
• Pimples occur when the skin produces too much sebum.
• Hair and nails are made of keratin, the same protein as skin.
• Nails grow from nail beds and hairs grow from hair follicles in the skin.
• Skin cancer can be caused by excess exposure to ultraviolet light from the sun or tanning beds.
• Frequent bathing helps keep the skin clean and healthy.
the skeletal system
the skeletal system
• Bones, cartilage, and ligaments make up the skeletal system.
• The skeleton supports the body against the pull of gravity.
• The skeleton provides a framework that supports and protects the soft organs of the body.
• Bones work together with muscles to move the body.
• Blood cells are mostly made inside the bone marrow.
• There are three types of joints in the body: fixed, partly movable, and movable.
• Calcium and vitamin D are two of the most important nutrients for a healthy skeletal system.
• The break down of the cartilage leads to pain and stiffness in the joint.
• A sprain is an injury to a ligament.
• A fracture is a break or crack in a bone.
the MS skin, bone, and muscles
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