Body Systems & Levels of Organization Review

Which system carries blood containing oxygen, nutrients, and waste throughout the body?

• Respiratory system

• Circulatory system

• Digestive system

• Nervous system

A student feels tired due to disrupted metabolism and sleeping hormones. Which system is most directly involved?

• Endocrine system

• Muscular system

• Urinary system

• Skeletal system

Which system fights and protects against harmful infection and disease?

• Immune system

• Digestive system

• Nervous system

• Reproductive system

Select the organ set that belongs to the digestive system.

• Mouth, esophagus, stomach, intestines, anus

• Brain, nerves, spinal cord

• Kidneys, bladder

• Skin, hair, nails

Reasoning task: A cut on the arm needs protection from bacteria while it heals. Which two systems primarily interact, and why?

• Integumentary and immune: the skin forms a barrier and defenses fight infection

• Muscular and skeletal: muscles and bones move the arm

• Circulatory and reproductive: blood carries sex cells

• Endocrine and urinary: hormones are filtered into urine

Which system controls movement of the body?

• Muscular system

• Respiratory system

• Endocrine system

• Urinary system

Choose the best evidence that an organ belongs to the nervous system.

• It stores urine

• It responds to external stimuli

• It breaks down food

• It creates sex cells

Which organ is explicitly listed for the respiratory system in the material?

• Heart

• Lungs

• Kidneys

• Skin

The reproductive system creates sex cells used to create a baby when combined. Which set of organs fits this description?

• Penis, sperm, uterus, ovaries

• Brain, nerves, spinal cord

• Abdominal muscles, heart

• Skin, spleen, lymph nodes

A runner breaks a femur. Which system is directly damaged, and what is one of its functions?

• Skeletal; supports the body internally and helps with movement

• Muscular; controls movement of the body

• Circulatory; carries blood throughout the body

• Urinary; filters the blood