1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
ziro4ka [17]
3 years ago
8

All of the following protect the skin and mucous membranes from infection EXCEPT

Biology
2 answers:
ser-zykov [4K]3 years ago
7 0
E I think that’s the answe
KatRina [158]3 years ago
3 0

Answer: C-Saliva

Explanation: Saliva only lubricate and moisturises food, aiding in food digestion employing its digestive enzyme, the salivary amylase, to break down chunks of food. All the other options; tears, hydrochloric acid, multiple layers of cells, are used as defensive mechanism from infections by the skin and mucous membranes.

You might be interested in
Help me plss!!!! I don’t understand it!
Naily [24]

Answer:

water fleas

Explanation:

the fish eat tht water fleas for energy...

4 0
3 years ago
Normal hemoglobin is a tetramer, consisting of two molecules of β-globin and two molecules of α-globin; normal hemoglobin molecu
denpristay [2]
Established on the data, sickle cell hemoglobin displays altered primary structure and altered quaternary structure; the secondary and tertiary structures may or may not be altered. The sickle cell disease is a cluster of disorders that disturbs hemoglobin, the molecule in red blood cells that transports oxygen to cells all over the body. A person with this disorder have uncharacteristic hemoglobin molecules named hemoglobin S which can interfere with red blood cells into a sickle or crescent shape.
8 0
4 years ago
The monthly cycle of changes in the female reproductive system is called the ____________________ cycle.
Zarrin [17]

one a second d third one is is d

6 0
3 years ago
Read 2 more answers
Which structure in plants produces a substance that protects the extending roots from developing friction?
MatroZZZ [7]

Answer:

root cap

Explanation:

6 0
3 years ago
The shape of a protein is determined by the order of their nucleotides true or false
Alexxandr [17]

Answer: false

Explanation:

3 0
3 years ago
Other questions:
  • What is the difference between commercial and subsistence energy sources?
    14·1 answer
  • Which statement best describes the relationship between period and frequency of light waves?
    13·2 answers
  • What is is a potent stimulus for producing pure hypovolemia, but not osmometric thirst?
    8·1 answer
  • The autonomic nervous system connects an animal's ____
    10·2 answers
  • How does wet and dry barometer work?? Thnx
    14·1 answer
  • Two atoms are different isotopes of the same element. Therefore, these two atoms have differing numbers of___.
    14·1 answer
  • The first step of PCR
    13·1 answer
  • Hereditary (genetic) information is stored inside what part of the cell?
    15·1 answer
  • The graph below represents a car’s motion as it tracked down a straight road. During which time interval was the car stationary
    14·1 answer
  • A malignant tumor is a form of cancer. The term _____ means becoming progressively worse or life-threatening.
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!