Body Systems & Level

What s the most complex level of organization (so far)?

• Tissue

• Organelle

• Cells

• Organism

The basic unit of a living things ____?

• Molecules

• Cells

• Organism

• Tissue

What system removes excess water and wastes from the blood to produce urine?

• Nervous

• Excretory

• Muscular

• Digestive

What system controls functions such as breathing, and sensing the environment

• Muscular

• Nervous

• Respiratory

• Endocrine

A group of tissue grouped together makes __________?

• Atoms

• Tissue

• Organ system

• Organs

Which system uses the mouth, esophagus, stomach, and intestines?

• Nervous

• Skeletal

• Excretory

• Digestive

What system transports (moves) substances around the body?

• Respiratory system

• Circulatory system

• Skeletal system

• Endocrine system

Which system has these organs: blood vessels (arteries, veins, capillaries), blood?

• Nervous

• Cardiovascular

• Digestive

• Respiratory

A group of organs working together makes __________?

• Organelle

• Organ systems

• Music

• Organism

Which of the following examples best shows the levels of organization from least complex to most complex?

• Human to Lung Tissue to Lung Cell to Lungs to Respiratory System

• Human to Respiratory System to Lungs to Lung Tissue to Lung Cell

• Lung Cell to Lung Tissue to Lungs to Respiratory System to Human

• None of the above