Structure of Living Things Adaptations 4-LS1-1

Adaptation

A trait that helps an organism survive in its environment. Adaptation. It's when an animal changes or has special features that help it live better in its home.

Circulatory system

The system of the heart, blood, and blood vessels, it moves oxygen, nutrients, and waste. Circulatory system. The circulatory system is like a transportation system in your body that carries oxygen and nutrients to your cells and takes away waste.

Digestive system

The system of organs that breaks down food into nutrients for use by the body digestive system. The digestive system is like a factory in your body that turns food into energy and nutrients.

Muscular system

The organ system made up of muscles that help the body move muscular system. The muscular system is a group of muscles that work together to help our bodies move and stay strong.

Nervous system

The brain, spinal cord, and nerves which relay information are parts of the nervous system. The nervous system is like a network that helps your body send and receive messages to control everything you do.

Photosynthesis

The process by which plants use sunlight, carbon dioxide, and water to make food photosynthesis. Photosynthesis is how plants make their own food using sunlight.

Respiratory system

The organs that transfer oxygen from the air to the body, like the nose, trachea, and lungs, are part of the respiratory system. The respiratory system helps us breathe by moving air in and out of our bodies.

Skeletal system

All the bones in the body that support it, help it to move, and protect internal organs. Skeletal system. The skeletal system is the framework of bones that supports our body, helps us move, and protects our organs.