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
Elina [12.6K]
3 years ago
8

What mechanism prevents or slows some chemicals from entering the brain, while allowing others to enter?

Biology
1 answer:
MissTica3 years ago
6 0

Answer:

The blood brain barrier blocks chemicals from entering brain tissue.

Explanation:

You might be interested in
You are studying a fossil animal. You find that the digestive system is very long, containing multiple chambers. Which diet do y
Fofino [41]

Answer:

The correct option is : c. Herbivore                    

Explanation:    

<u>Herbivores</u> are animals that are physically and anatomically adapted to <u>eat autotrophs</u> such as plants, photosynthesizing bacteria and algae as the main component of its diet. Such animals are commonly called <u>primary consumers</u>, as they generally feed on plants.

The digestive system of a herbivores generally consists of <u>multiple stomach chambers and along with a long digestive tract to help in the break down of plant material.</u> Therefore, the herbivores with long and multi-chambered digestive systems are called <u>ruminants.</u>

Examples: cattle, camels, sheep, deer and giraffes .

5 0
3 years ago
Compression of mortality is the extent to which an organ can preserve essentially normal function despite decreasing cell number
REY [17]

Answer: False

Explanation:

Compression of mortality refers to the reduction over time with regards to the variance of the age of people at death.

The extent to which the organ can help in preserving normal function despite the fact that there's a reduction in the number or cell activity is referred to as compression of morbidity.

When morbidity is compressed, it should be noted that individuals can be expected to live healthier and longer as well.

Therefore, the statement is false

6 0
3 years ago
Why do leukocytes have a nucleus
ella [17]

Answer:

so they can squeeze through blood vessels more quickly.

Explanation:

Some white blood cells have nuclei that are lobed, or separated into pieces, Other white blood cells act as factories making anti-germ weapons and need big nuclei to store the DNA to make those weapons.

7 0
2 years ago
Which is an example of the way matter cycles through the bodies of living things ?
Zolol [24]

Answer:   A whale swimming in water is an example of matter cycling over the body of a living thing. In that as the whale swims water which is matter moves across its body.

4 0
3 years ago
What is the process that changes one set of chemicals into another set of chemicals?
AlladinOne [14]

Answer:

chemical reaction

5 0
3 years ago
Read 2 more answers
Other questions:
  • Which renewable resources can become non-renewable if mismanaged
    6·1 answer
  • Acetyl co A can
    10·1 answer
  • Process that requires oxygen is called
    7·2 answers
  • which of the following shows the correct order in which genes are expressed? a. DNA to rna to proteins. b. rna to DNA to protein
    12·2 answers
  • 2. A structural difference between the trachea and esophagus that prevents the trachea from collapsing is the presence of:
    14·1 answer
  • What kind of diseases are the most common genetic diseases? (for example, those in which both parents may be carriers of the dis
    12·1 answer
  • What inherent characteristics of populations did both Darwin and Wallace propose were need for natural selection to lead to adap
    9·2 answers
  • Fungi consist of which types of cells? eukaryotes prokaryotes
    13·1 answer
  • Please help. I need this asap 30 points please
    6·2 answers
  • What question can a biologists ask to determine if an object is a living thing?
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!