Science
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Question Description

I’m working on a Science exercise and need support.

Viruses are considered to be nonliving because they

a.

cannot multiply.

b.

use energy to grow.

c.

are smaller than bacteria.

d.

do not show all the characteristics of life.


Please select the best answer from the choices provided


Proteins that help in speeding up a chemical reaction are called ___.

a.

epiglottis

b.

enzymes

c.

lipids

d.

saliva


Please select the best answer from the choices provided


Endocrine glands release chemicals that are also known as ___.

a.

target cells.

b.

hypothalamus.

c.

lymph.

d.

hormones.


Please select the best answer from the choices provided


HIV destroys ____ in your body, and the body is left with no way to fight invading antigens.

a.

allergens

c.

helper T cells

b.

vaccines

d.

all of the above


Please select the best answer from the choices provided


Which of the following is NOT a function of the lymphatic system?

a.

filters blood

c.

produces red blood cells

b.

destroys worn-out blood cells

d.

produces white blood cells


Please select the best answer from the choices provided


Where is bile stored?

a.

large intestine

b.

colon

c.

pancreas

d.

gallbladder


Please select the best answer from the choices provided


Which of the following is a function of hormones?

a.

turn off organ and tissue activities.

b.

turn on organ and tissue activities.

c.

speed up organ and tissue activities.

d.

all of the above.


Please select the best answer from the choices provided


Please select the word from the list that best fits the definition

Reabsorbs water into the bloodstream


The ‘filtering factories’ of the excretory system are called ___.

a.

rectum.

b.

alveoli.

c.

nephrons.

d.

bronchi.


Please select the best answer from the choices provided


An antigen is a protein made by your body to respond to a specific foreign molecule.


Please select the best answer from the choices provided


A chemical found in urine that is produced from breaking down of proteins is called ___.

a.

urea

b.

glucose

c.

folic acid

d.

none of the above


Please select the best answer from the choices provided


____ immunity results when antibodies produced in another animal are introduced into your body.

a.

Active

c.

Specific

b.

Passive

d.

Recognition


Please select the best answer from the choices provided


The best treatment for most viral infections is

a.

an over-the-counter medication.

b.

a vaccine.

c.

an antibiotic.

d.

bed rest.


Please select the best answer from the choices provided


Please select the word from the list that best fits the definition

Produces female sex cells, or eggs


Lymphocytes known as blastocysts help make antibodies that fight infection.


Please select the best answer from the choices provided


What substance in the esophagus lining helps make swallowing easier?

a.

saliva

b.

pepsin

c.

mucus

d.

bile


Please select the best answer from the choices provided


The hormone ____________________ controls the development of male characteristics.

a.

aldosterone

c.

estrogen

b.

oxytocin

d.

testosterone


Please select the best answer from the choices provided


Louis Pasteur was the first to discover that ____ can cause disease.

a.

milk

c.

bacteria

b.

food

d.

enzymes


Please select the best answer from the choices provided


Please select the word from the list that best fits the definition

Helps keep the body free of harmful levels of chemicals and maintains homeostasis


Please select the word from the list that best fits the definition

Occurs when the body receives antibodies from another source, such as a child receiving antibodies from its mother


Please select the word from the list that best fits the definition

Filter out microoganisms from lymph before it enters the blood


Please select the word from the list that best fits the definition

Virus that attacks helper T cells in the body and keeps the body from being able to fight invading antigens


In the large intestine:

a.

Water is added to digested food.

b.

Water is absorbed into the blood stream.

c.

Digested nutrients are eliminated.

d.

none of the above.


Please select the best answer from the choices provided


Please select the word from the list that best fits the definition

Churns and breaks down food into a liquid form


Where are the eggs produced?

a.

in the ovaries.

b.

in the fallopian tubes.

c.

in the uterus.

d.

in the vagina.


Please select the best answer from the choices provided


Student has agreed that all tutoring, explanations, and answers provided by the tutor will be used to help in the learning process and in accordance with Studypool's honor code & terms of service.

Final Answer

Maryln (354)
UCLA

Anonymous
Return customer, been using sp for a good two years now.

Anonymous
Thanks as always for the good work!

Anonymous
Excellent job

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