Human Body Pt 1

The smallest units or parts of living things; the body's building blocks.

• cells
• organs
• tissues
• system

A collection of the same kinds of cells working together to do the same job.

• cells
• tissues
• organs
• system

Your body systems work separately and do not effect each other.

• true
• false

Organs are body parts that have specific jobs.  Your body systems are made up of organs.

• true
• false

Roles, jobs, or purposes.

• function
• cells
• stimulus
• microscopic

I am a muscle located behind your lungs.  I am always moving and I never get tired.  I pump blood to all parts of your body. What am I?

• heart
• lungs
• kidneys
• liver

We give your body support and structure. We also protect your delicate organs, like your brain, liver, and lungs. We are filled with a substance called marrow. What are we?

• muscles
• skin
• bones
• veins

We are blood vessels that send blood back towards your heart. Most of the blood we carry doesn't have much oxygen left in it. What are we?

• veins
• esophagus
• lungs
• kidneys

We are blood vessels that send blood away from your heart to all different parts of your body. We have thicker, stronger walls than veins. What are we?

• veins
• trachea
• arteries
• esophagus

We work in pairs to pull your bones in different directions.  We also help move food and blood through your body. Without us, you'd wouldn't be able to move at all. What are we?

• skin
• bones
• muscles
• kidneys