Vaccinations help prepare the body to fight invasions of a specific pathogen by

• inhibiting antigen production

• stimulating antibody production

• inhibiting white blood cell production

• stimulating red blood cell production

The skin is a major organ in these two systems:

• Excretory and Integumentary

• Excretory and Digestive

• Digestive and Circulatory

• Integumentary and Circulatory

Which statement best describes the human respiratory system?

• It is composed of a network of moist passageways that permit air flow from the external environment to the lungs.

• Each cell of the human body is in direct contact with the external environment, and gas exchange occurs by diffusion.

• The external body surface is kept moist to allow for gas exchange.

• Gases diffuse across different membranes on both external and internal surfaces of the body

Tags

NGSS.HS-LS2-5

Which situation indicates that a disruption of homeostasis has taken place?

• the presence of hormones that keep the blood sugar steady

• the maintenance of a constant body temperature

• cell division that is involved in normal growth

• a rapid rise in the number of red blood cells

Which of the following is in the correct order of least complex to most complex?

• tissue - organ - organ system- cell

• cell - organ - tissue - organ system

• organ system - tissue - cell - organ

• cell - tissue - organ - organ system

Tags

NGSS.MS-LS1-3

How do the circulatory system and the skeletal system work together?

• The circulatory system makes cells while the skeletal system transports the cells where they need to go

• The skeletal system makes blood cells while the circulatory system transports them where they need to go

• The circulatory system produces energy for the body and the skeletal system makes cells for the body

• The skeletal system digests food and the circulatory system brings air into the body

The ______ acts as a barrier to protect the body from the outside world

• mouth/teeth

• lungs

• skin

• small intestines

How does the digestive system work with all the other systems?

• The digestive system transports blood to all the other systems.

• The digestive system puts oxygen into the body

• The digestive system gives the body energy and nutrients

• The digestive system allows the body to move

Tags

NGSS.MS-LS2-3

Ligaments and tendons are a part of this body system:

• Digestive System

• Endocrine System

• Muscular System

• Respiratory System

This system has smooth muscles that moves food through your esophagus and waste through your small and large intestines

• Respiratory System

• Muscular System

• Nervous System

• Immune System