Human Body Systems

The protective covering of the body.

• respiratory system

• cardiovascular system

• integumentary system

• endocrine system

Gathers oxygen from the environment and gets rid of carbon dioxide from the body.

• cardiovascular system

• respiratory system

• endocrine system

• lymphatic system

Supports the body and protects important organs.

• skeletal system

• muscular system

• nervous system

• digestive system

Allows movement of body parts.

• skeletal system

• digestive system

• excretory system

• muscular system

Breaks down food into nutrients that can be used by the body.

• excretory system

• cardiovascular system

• digestive system

• nervous sytem

Moves blood through the body.

• cardiovascular system

• skeletal system

• muscular system

• nervous system

Removes wastes from blood.

• excretory system

• lymphatic system

• endocrine system

• digestive system

Makes chemical messages (hormones) that regulate conditions inside the body.

• circulatory system

• respiratory system

• endocrine system

• muscular system

The smallest unit that is a building block for all life.

• tissue
• organelle
• cell
• molecule

Which two systems work together to transport nutrients to the body for energy?

• The nervous and digestive systems
• The respiratory and circulatory systems
• The digestive and circulatory systems
• The skeletal and digestive systems