Unit 2 Human Body Systems Part 2 Question Preview (ID: 44240)


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In the human body, what organ contains very strong acids that break down food?
a) stomach
b) kidney
c) lung
d) liver

A woman running in a marathon requires a constant supply of oxygen to her muscles. Which cells carry oxygen to muscle tissue?
a) red blood cells
b) artery cells
c) nerve cells
d) lung cells

The largest human body organ, which regulates temperature and serves as a barrier against harmful microorganisms, belongs to the -
a) integumentary system
b) circulatory system
c) nervous system
d) digestive system

In the human body, blood is pumped by which organ?
a) heart
b) lungs
c) kidneys
d) liver

Which two systems work together to provide oxygen to cells?
a) respiratory and circulatory systems
b) immune and respiratory systems
c) digestive and skeletal systems
d) lymphatic and nervous systems

The main function of the muscular system is-
a) movement of the body
b) support of the body
c) break down of food
d) removal of waste

Which statement best describes the function of the respiratory system?
a) Supplies oxygen to blood and removes carbon dioxide from blood
b) Breaks down food into nutrients and wastes
c) Provides support and movement for the body
d) Produces and secretes hormones which regulate metabolism, growth, and development

Which two body systems help the body to break down molecules and absorb nutrients, and exchange oxygen and carbon dioxide?
a) respiratory and digestive
b) respiratory and reproductive
c) muscular and skeletal
d) circulatory and endocrine

Two body systems work together to help remove waste products from blood. What are these two systems?
a) circulatory and excretory
b) skeletal and digestive
c) circulatory and integumentary
d) muscular and excretory

The main function of the excretory system is to -
a) collect and remove waste products from the body
b) produces enzymes to help digest food
c) prevent disease and fight infections
d) carry oxygen and nutrients to the body's cells

In the human body, which of the following is the main function of the kidneys?
a) filtration of wastes from blood
b) transport of urine out of the body
c) storage of urine
d) sperm production

The nervous system of the human organism is most like which cell organelle?
a) nucleus
b) mitochondrion
c) chloroplast
d) cell membrane

A cook touches a hot stove and quickly moves his hand away. What are the two primary body systems that work together to produce this response?
a) nervous and muscular
b) integumentary and endocrine
c) muscular and respiratory
d) skeletal and nervous

When comparing cells to organs, which best describes how organelles differ from organs?
a) organs are composed of tissue, organelles are not
b) organelles are larger than organs
c) organelles cannot be stained, organs can
d) organs are substructures of a cell, where organelles are not

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