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
Leni [432]
3 years ago
9

For example, oxygen (O₂) diffuses from the air sacs into the capillaries of the lungs because there is a ____________ concentrat

ion of oxygen in the alveoli (air sacs) than the capillaries.
Biology
1 answer:
weeeeeb [17]3 years ago
4 0
High. because the o² and co2 exchange gas in alveoli.. co2 in red blood cell bcos it comes from the cell
You might be interested in
Eating is important to your body because molecules in food contain ____ energy that cells use to produce atp and it also supplie
Aloiza [94]
CHEMICAL energy that cells use to produce atp
5 0
3 years ago
Which of the following method used to separate two miscible liquids?
pav-90 [236]

Answer:

The answer is distillation but i quess it's not on the list so I think it is a) Separating Funnels

Explanation:

I think it's because your separating two miscible liquids

8 0
3 years ago
very easy....... describe one example of a Positive Feedback Loops and one example of a Negative Feedback Loops. The examples ha
Anna11 [10]

Answer: Feedback loops are biological mechanisms whereby homeostasis is maintained. Some examples of positive feedback are contractions in child birth and the ripening of fruit; negative feedback examples include the regulation of blood glucose levels and osmoregulation.

Explanation:

6 0
2 years ago
What are the three sections of the small intestine and what role does each section play in digestion or absorption?
leva [86]

Answer:

The three sections of the small intestine are the duodenum,

Explanation:

The duodenum

It receives chyme from the stomachs

Its intestinal cells enzymes such as secrete amylase, sucrase, and lipase enzymes that break down fats and sugars.

The jejunum

It is covered in villi and microvilli giving the name THE PRINCIPAL SITE of digestion.

the ileum.

Aid absorption e.g. amino acids, lipids, fat-soluble vitamins, and vitamin B12.

8 0
3 years ago
Read 2 more answers
___________ lyse infected host cells. *
Alex73 [517]

Answer:

Adaptive immunity also involves a memory to provide the host with long-term ... Unlike NK cells of the innate immune system, B cells (B lymphocytes) are a ... Cytotoxic T cells destroy virus-infected cells in the cell-mediated immune ... Helper T- cells are one of the main lymphocytes that respond to antigen-presenting cells.

Explanation:

7 0
3 years ago
Other questions:
  • What are the 2 major types of cofactors?
    14·1 answer
  • Disaccharides store less energy than polysaccharides because disaccharides:
    5·1 answer
  • A substance that has 10H+ ions and 9OH- ions will be:
    14·1 answer
  • Paleomagnetism is the study of
    5·2 answers
  • WHICH IS STONGER SSJB KAIO-KEN OR SSJB EVOLUTION!<br><br> P.S. THIS IS MY HMWK DONT ASK WHY
    7·1 answer
  • Is natural sugar healthy or artificial sugars??? Which do you prefer?
    6·2 answers
  • What are the structures in the leaves that are unutilized in transpiration? ( pls hurry)
    11·2 answers
  • These puppies were born in the same litter to the same parents, but they have different traits for the feature of toenail thickn
    13·2 answers
  • 2.What are the main functions of the muscular system?
    8·2 answers
  • What are the advantages of deforestation on rivers?
    15·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!