High School Biology The Human Body

Multicellular organisms are more complex than single-celled organisms. Which of the following identifies the organization of your body?

• Cells, tissue, organ systems, organs, organ system

• Cells, organ systems, tissue, organs, organism

• Cells, tissue, organs, organ systems, organism

• Cells, organ systems, organs, tissue, organism

Tags

NGSS.MS-LS1-3

Look at the lungs above. Which level of body organization do lungs represent?

• Organ system

• Cell

• Organ

• Tissue

Tags

NGSS.MS-LS1-3

Because its structure is more complex,

• A tissue has a more complex function than an organ

• A cell has a more complex function than a tissue

• An organ has a more complex function than a tissue

• A cell has a more complex function than an organ

Which organ functions as part of the digestive system?

• Heart

• Stomach

• Muscles

• Lungs

Which organ system do blood cells and blood vessels belong to?

• Circulatory system

• Nervous system

• Respiratory system

• Skeletal system

Which organ system includes the bones?

• Skeletal system

• Muscular system

• Respiratory system

• Circulatory system

One role of rib bones in the _________________ system is to protect the heart from physical injury.

• Digestive

• Circulatory

• Skeletal

• Muscular

Tags

NGSS.MS-LS1-3

The spinal cord is a thick column of _____________________________________________.

• blood vessels that helps to support and hold up the body.

• bony discs that protects nervous tissue.

• muscle tissue that connects nerve cells in the brain with nerve in the body.

• nervous tissue that connects the brain to the body’s nerves.

The digestive system doesn’t work alone. After nutrients are absorbed in the small intestine, other body systems become involved in the process. Nutrient distribution depends on the _______________ system to transport nutrients to the cells around the body through the bloodstream.

• respiratory

• circulatory

• muscular

• digestive

Your heart is a powerful, fist-shaped muscles that beats 100,000 times a day to power the circulatory system. Which of the following are the functions of the circulatory system? Choose 2 functions that apply.

• Transporting nutrients

• Transporting oxygen

• Breaking down nutrients

• Removing wastes from the body

• Removing water and carbon dioxide from the body