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
Bess [88]
3 years ago
8

how does tobacco smoke effect the body? a.it blocks hemoglobin from binding to oxygen, thus affecting gas exchange in the lungs

b. it paralyzes cilia in the trachea allowing inhaled particles to enter the lungs c. it causes an increase in heart rate and blood pressure d.all of the above
Biology
1 answer:
sineoko [7]3 years ago
8 0
The answer is d: all of the above! Hope this help!
You might be interested in
Which of the following describes a similarity and a difference between isotopes of an element?
jarptica [38.1K]
Isotopes of an element are defined has that has same atomic number but different mass number mean they have different number of neutrons
so the statement that best describe a similarity is 
<span> same atomic number; different mass number
</span>so correct option is C 
hope it helps

5 0
3 years ago
This type of energy splits nuclei or combines them
hjlf

Answer:

B. Nuclear energy

this type of energy splits nuclei or combines them.

4 0
2 years ago
Read 2 more answers
Darwin is known for describing "survival of the fittest" scenario in which an organism is best able to pass its genes one genera
Luda [366]

Answer: I believe its a because it says "some"

5 0
3 years ago
Which statement best describes ecological succession?
Delicious77 [7]

The correct answer is it always occurs in a predictable pattern.

Ecological successsion is defined as a <em>change in the structure of species of an ecological community over a period of tim</em>e. The succession that begins in a new environment by uninfluence of pre-existing species is called primary succession. The disruption of pre-existing community because of succession is called secondary succession. Ecological succession happens in a predictable pattern. The ecological communities undergoes predictable change which creates a disturbance or initial formation of new habitat. This changes occurs in an orderly manner and can be best explained by the example of trees how they grow bigger and bigger.





4 0
3 years ago
Read 2 more answers
"The goal during digestion is to break carbohydrates, proteins, and lipids down into smaller units, including ____."
Viktor [21]

Glucose,  amino acids, lipids and glycerol.

Explanation:

Carbohydrate is broken into glucose molecules

protein is  broken into amino acids

Lipid is broken into fatty acids and glycerol.

Starch present in the food is broken to glucose molecules to yield energy.

Protein is digested in stomach by the action of pepsin, trypsin and chymotrypsin.

Glycosidic bonds of starch is broken down by salivary and pancreatic amylase enzyme.

fat is acted upon by lipase enzymes from pancreatic and intestinal juices.

these are broken into smaller units so that gets absorbed by blood and carries throughout the body.

4 0
3 years ago
Other questions:
  • In many cells, the structure that controls the cell's activities is the
    13·1 answer
  • Which organism in the chart below is most distantly related to the other organisms?
    11·1 answer
  • Most of the regulated medical waste in the United States is incinerated. These incinerators are a health hazard because they rel
    10·1 answer
  • A strain of Chlamydia trachomatis appears to have acquired a mutation in the 30S (small) ribosomal subunit, preventing drug bind
    15·2 answers
  • What is one risk we face when humans use artificial selection to change species.
    12·1 answer
  • A large volcanic eruption can change features of Earth and
    12·2 answers
  • What causes Swollen Shoot Disease?
    13·1 answer
  • What do we call the variable manipulated or tested by the investigator?
    7·1 answer
  • Earth is not filled to the brim with elephants, or ants, or ferns, or geckos. What prevents a population from growing forever? m
    9·1 answer
  • Which property of water causes the space between molecules to ice
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!