Human Body Systems

Which of the following is the structural order of organization in the human body from simplest to most complex?

• Cells, organs, tissues, systems

• Organs, tissues, cells, systems

• Cells, tissues, organs, systems

• Tissues, cells, organs, systems

Since the heart is made of muscle and connective tissues that function together, it is classified as ____.

• a cell

• tissue

• an organ

• an organ system

Digestive, muscular, nervous and skeletal represent which level of organization in the human body?

• Cell

• Tissue

• Organ

• Organ System

The heart, veins, capillaries and arteries work together to _____.

• Produce oxygen

• Produce carbon dioxide

• Grow new cells on the skin surface

• Transport materials throughout the body

The trachea, bronchi, and diaphragm are all components of the _____ system.

• Respiratory

• Digestive

• Nervous

• Circulatory

The brain and spinal cord are made up of which type of tissue?

• Nerve

• Connective

• Muscle

• Bone

Which type of human body tissue can contract, or shorten?

• Bone

• Muscle

• Nerve

• Connective

Which gas in the body is waste material?

• Carbon Dioxide

• Oxygen

• Nitrogen

• Urea

When you inhale, air passes through the following respiratory structures in which order?

• nose, bronchi, diaphragm, lungs

• lungs, bronchi, trachea, nose

• nose, trachea, bronchi, lungs

• diaphragm, lungs, nose, trachea

Which group includes structures that are all parts of the digestive system?

• skin, kidneys, lungs

• stomach, intestines, esophagus

• heart, lungs, pancreas

• kidneys, trachea, intestines