Body Systems

What is the correct order of cellular organization in multicellular organisms, from least to most complex?

• Cell → tissue → organ → organ system → organism

• Tissue → cell → organ → organ system → organism

• Cell → organ → tissue → organ system → organism

• Organism → organ → organ system → tissue → cell

Which statement about multicellular organisms is true?

• Organs make up tissues.

• Cells make up tissues.

• Tissues make up cells.

• Organ systems make up organs

Tags

NGSS.MS-LS1-3

In the hierarchy of a human's body structure, which components are part of an organ system? (Select up to 4)

• Organisms

• Cells

• Tissues

• Organs

What structures make up the circulatory system?

• Trachea, mouth, diaphragm

• Stomach, mouth, esophagus

• Heart, blood, blood vessels

• Brain, spinal cord, nerves

How do the nervous and respiratory systems work together?

• By controlling involuntary muscle movement for heartbeats

• By controlling involuntary muscle movement for breathing

• By allowing voluntary muscle movement for breathing

• By allowing voluntary muscle movement for physical movement

How do the digestive and circulatory systems compare in their functions?

• The digestive system breaks down food, while the circulatory system transports nutrients.

• The digestive system transports nutrients, while the circulatory system breaks down food.

• The digestive system absorbs oxygen, while the circulatory system has disease-fighting cells.

• The digestive system has disease-fighting cells, while the circulatory system breaks down energy.

In what way do the digestive system and muscular system cooperate?

• The digestive system supplies blood to the muscles.

• Muscles assist in moving nutrients through the bloodstream.

• The digestive system cleans and strengthens the muscles.

• Muscles aid in breaking down food and moving it through the digestive system.

How do the muscular system and respiratory system work together?

• Smooth muscles provide protection for bones and ligaments.

• Bones in the body filter and clean oxygen.

• The respiratory system is responsible for creating and renewing muscles.

• The muscular system helps the body with inhaling and exhaling.