Human Systems Pt II 8th

What are the main organs of the circulatory system?

• brain, spine, & nerves

• heart, arteries, & veins

• heart, lungs, & veins

• skin, nails, & hair

What system does the circulatory system work with to obtain oxygen for the body?

• digestive system

• cardiovascular system

• nervous system

• respiratory system

What is the main organ of the circulatory system?

• small intestine

• bone

• lungs

• heart

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

Contains little hairs that help filter the air you breathe in, blocking dirt and dust from getting into your lungs.

• mouth

• nasal cavity

• trachea

• bronchi

Windpipe; takes air from your mouth to your lungs.

• pharynx

• larynx

• esophagus

• trachea

Elastic sacs with branching passages into which air is

drawn, so that oxygen can pass into the blood and carbon dioxide be removed.

• trachea

• bronchi

• lungs

• diaphragm

how many bones are in the skeleton?

• 80
• 206
• 126
• 260

What is the name of this bone?

• Femur
• Humerous
• Skull
• Shin

The Skeletal System does what?

• stores minerals
• help your body move with muscles
• all of the above
• protect your organs