Human Body Systems and Functions

<p>Epiglottis (D)</p> Signup and view all the answers

<p>Carbohydrates, lipids, and proteins (B)</p> Signup and view all the answers

<p>Mouth, esophagus, stomach, small intestine, rectum (A)</p> Signup and view all the answers

<p>To absorb nutrients into the bloodstream (C)</p> Signup and view all the answers

<p>Transport nutrients to cells (D)</p> Signup and view all the answers

<p>Nose, trachea, bronchi, bronchioles, lungs (D)</p> Signup and view all the answers

<p>Pancreas (A)</p> Signup and view all the answers

<p>To transport air from the trachea to the alveoli (A)</p> Signup and view all the answers

<p>All of the above (D)</p> Signup and view all the answers

<p>To store urine until it is excreted (B)</p> Signup and view all the answers

<p>To transport oxygen to cells and remove carbon dioxide (A)</p> Signup and view all the answers

<p>To excrete salts through sweat (C)</p> Signup and view all the answers

<p>All of the above (D)</p> Signup and view all the answers

<p>Carry blood to the kidneys (C)</p> Signup and view all the answers

<p>Cranial nerves (D)</p> Signup and view all the answers

<p>Diaphragm (C)</p> Signup and view all the answers

<p>To exchange oxygen and carbon dioxide with the blood (D)</p> Signup and view all the answers

<p>Receive messages from other neurons (B)</p> Signup and view all the answers

<p>The respiratory system provides oxygen and removes carbon dioxide for the circulatory system (B)</p> Signup and view all the answers

<p>By sending signals to muscles and glands to respond to stimuli (D)</p> Signup and view all the answers

<p>All of the above (D)</p> Signup and view all the answers

<p>Artery (B)</p> Signup and view all the answers

<p>Liver (B)</p> Signup and view all the answers

<p>To remove waste products from the body (C)</p> Signup and view all the answers

<p>To the left atrium (B)</p> Signup and view all the answers

<p>Glucose (D)</p> Signup and view all the answers

<p>They filter blood and produce urine. (C)</p> Signup and view all the answers

<p>1.5 L (D)</p> Signup and view all the answers

<p>Artery (D)</p> Signup and view all the answers

<p>Sensory neurons (C)</p> Signup and view all the answers

<p>Motor neurons (D)</p> Signup and view all the answers

<p>Controls balance (A)</p> Signup and view all the answers

<p>Connect one neuron to another (A)</p> Signup and view all the answers

<p>The brain (C)</p> Signup and view all the answers

<p>To sense touch, heat, cold, pain, and pressure (B)</p> Signup and view all the answers

<p>Because they have a higher concentration of touch receptors (B)</p> Signup and view all the answers

<p>Pulling your hand away from a hot stove (C)</p> Signup and view all the answers

<p>Bile (A)</p> Signup and view all the answers

<p>To break down large fat globules into smaller droplets (A)</p> Signup and view all the answers

<p>To increase the surface area for absorption of nutrients (C)</p> Signup and view all the answers

<p>To absorb water and some minerals (C)</p> Signup and view all the answers

<p>The bromothymol blue reacts with the carbon dioxide in the breath. (A)</p> Signup and view all the answers

<p>The decreased oxygen levels at high altitudes (B)</p> Signup and view all the answers

<p>To break down food into substances the body can absorb and use (C)</p> Signup and view all the answers

The basic building blocks of all living organisms that perform essential functions.

Groups of similar cells that work together to perform a specific function.

Structures made of different tissues that perform specific tasks in the body.

The relationship between how something is built and how it works.

The physical process of breaking down food into smaller pieces.

The process of breaking down food using enzymes into smaller particles.

A system that processes food, breaking it down for nutrient absorption.

How the body reacts to changes in the environment.

The process of moving air in and out of the lungs using chest and diaphragm muscles.

A muscle that moves downward during inhalation and upward during exhalation.

The process where oxygen enters the blood from alveoli and carbon dioxide exits into the alveoli.

Tiny air-filled sacs in the lungs where gas exchange occurs.

A system that transports nutrients, waste, and gases throughout the body.

Blood vessels that carry blood away from the heart.

Blood vessels that carry blood toward the heart.

A muscular pump that circulates blood through two loops in the body.

Wave-like muscle contractions that move food through the esophagus.

Acidic fluids in the stomach that aid in digestion.

A strong acid in the stomach that digests proteins.

A protective substance that prevents the stomach from digesting itself.

Where most chemical digestion and nutrient absorption occurs.

An organ that secretes enzymes for digestion into the small intestine.

Produces bile, which helps break down fats for digestion.

Absorbs water and forms feces from undigested food.

Blood vessels that carry blood to the kidneys.

Tubes that connect the kidneys to the bladder.

A sac that holds urine until excretion.

The tube through which urine exits the body.

Removes waste and excess substances from the body.

Specialized cells that send and receive messages in the nervous system.

Comprises the brain and spinal cord, controlling body functions.

Composed of cranial and spinal nerves, connects CNS to the body.

Carry information from the body to the central nervous system.

Carry information from the central nervous system to muscles and organs.

Part of the brain responsible for thinking, talking, and moving.

An automatic response to an external stimulus, without brain involvement.

Connect one neuron to another, facilitating communication within the nervous system.

Sensory receptors in the skin that sense touch, heat, cold, pain, and pressure.

Pumps blood to the lungs to receive oxygen.

Pumps oxygen-rich blood to the rest of the body.

Two loops: one to the body, one to the lungs.

Connect arteries and veins, enabling gas exchange.

Filter blood and produce urine, removing waste products.