Review: levels, systems, directions, planes, body cavities

The main purpose of the ____________ system is to break food particles into pieces that can be used.

• cardiovascular

• respiratory

• digestive

• skeletal

What is responsible for delivering oxygen and removing carbon dioxide from the body?

• cell nucleus
• excretory system
• nervous tissue
• respiratory system

The __________ system directs the body to inner and outer changes.

• digestive

• cardiovascular

• nervous

• skeletal

The __________ is the main organ of the nervous system.

• heart
• lungs
• brain
• skin

___________ are the building blocks of life.

• cells
• legos
• blocks
• blood

The cardiovascular system uses _________ to deliver oxygen to the rest of the body.

• blood cells

• lungs and nose

• blood vessels

• brain and spinal cord

In multicellular organisms, tissues are comprised of _______.

• organs
• systems
• cells
• blood

Tags

NGSS.MS-LS1-3

When tissues come together, they form ___________.

• cells
• atoms
• organs
• systems

A(n) _________ is made of small parts connected together to make a whole.

• system
• problem
• evidence
• illustration

Which of the following body systems work together for support, protection, and movement?

• respiratory and cardiovascular
• skeletal and muscular
• skeletal and integumentary
• digestive and respiratory