Body Systems

What is the main organ of the circulatory system?

• small intestine

• bone

• lungs

• heart

The circulatory system works with the ___________ system to provide our body with oxygen.

• respiratory
• digestive
• muscular
• skeletal

The circulatory system works with the __________ system to obtain energy from nutrients that we eat. 

• respiratory 
• digestive
• skeletal
• nervous

The main function of the circulatory system is 

• To give the body structure and support
• Excrete waste
• transport blood, nutrients, and gases throughout the body
• to transport messages from the body to the brain

What is the main function of the respiratory system?

• to provide oxygen and remove carbon dioxide from the body

• to bring carbon dioxide to the body

• to break down food and absorb nutrients

• to remove oxygen from the body and deliver carbon dioxide

What are the 3 mains parts of the Nervous System

• Brain, heart, blood vessels

• Blood Vessels, spinal cord, blood

• Brain, Spinal Cord, Neurons

• Heart, blood vessels, and blood

Endocrine glands produce and secrete _______.

• Hormones

• Neurotransmitters

• A wide range of chemical substances

What is the endocrine system?

• A system of vessels that circulates blood around the body.

• A group of bones and tissue that provides support and structure for the body.

• A group of glands that work together with the nervous system to coordinate all body functions

• A group of organs that is responsible for eliminating wastes.

Which of the following are chemicals that travel in the blood and cause changes in different parts of the body?

• Hormones

• Glands

• Parathyroid

• Adrenal Gland

Choose levels of organization in the correct order from smallest to largest.

• organ system, tissue, organ, cells

• cells, organs, tissues, organ systems

• cells, tissues, organs, organ systems

• organ systems, organs, tissues, cells