LS Human Body Systems

Which system helps maintain a healthy internal environment and contains the largest organ of the body?

• muscular system

• integumentary system

• nervous system

• skeletal system

Identify the hormone that is secreted by the pancreas and is responsible for controlling blood sugar levels.

• insulin

• melatonin

• testosterone

• estrogen

Tags

NGSS.HS-LS1-3

Which part of a neuron transmits messages to another neuron?

• dendrites

• sente

• Schwann cells

• axon

Tags

NGSS.MS-LS1-3

Which system helps protect the human body by keeping moisture in the body and foreign particles out?

• lymphatic

• skeletal

• digestive

• integumentary

Tags

NGSS.MS-LS1-3

Which part of the skin is made up mostly of dead cells filled with a protein called keratin to keep the skin tou

• oil gland

• hair follicle

• dermis

• epidermis

Which muscle is attached to bones for movement and helps protect the inner organs?

• smooth muscle

• cardiac muscle

• skeletal muscle

• stomach muscle

In the human body, which system's primary function is the movement of bones, body fluids, and food?

• integumentary system

• nervous system

• digestive system

• muscular system

When air moves into the lungs, oxygen_

• diffuses across the membranes of the alveoli and exits the blood

• moves across the membranes of the alveoli by active transport

• diffuses across the membranes of the alveoli and enters the blood

• is converted into carbon monoxide

Tags

NGSS.HS-LS2-5

Which organ contains alveoli, bronchioles, and bronchi that are moist with mucus and lined with cilia?

• lung

• heart

• kidney

• stomach

The alimentary canal, the pathway through which food enters and wastes exit the body, is part of which system?

• digestive system

• endocrine system

• skeletal system

• nervous system