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
natulia [17]
3 years ago
9

With advancing age, the lymphatic system ________.

Biology
1 answer:
Pepsi [2]3 years ago
4 0

The right answer is D (less responsive to antigens)


It is proven that, after puberty, thymus activity (an organ that is included in the lymphatic system, producing T cells that pick up antigens) decreases and that in adult and aged people the thymus has no role. Work done in humans indicate that in fact the cellularity begins to decline from birth in favor of lymphocyte perivascular spaces and connective and adipose tissue, which leads to a decrease in the capture of antigens.

You might be interested in
One role of the pancreas is to help regulate blood glucose levels. Two types of cells in the pancreas, beta and alpha, serve as
photoshop1234 [79]

Answer:

Explanation:

N-butyl,methyl-benzimidazolium methylsulfate/ACIL00221 can be provided in Alfa Chemistry. We are dedicated to provide our customers the best products and services. http://www.alfa-chemistry.com/n-butyl-methyl-benzimidazolium-methylsulfate-item-296404.htm

5 0
3 years ago
The medulla oblongata, the pons and the midbrain make up the brainstem. <br> a. True <br> b. False
maksim [4K]
That is true. <span>The medulla oblongata, the pons and the midbrain make up the brainstem. </span>
5 0
3 years ago
Which is a leading theory for the formation of fossil fuels?
PSYCHO15rus [73]
D. Fossil fuels are the remnants of organisms that lived a long time ago and were buried, heated, and formed into hydrocarbons.
3 0
3 years ago
Why Aids can not be treated?
pogonyaev

Answer:

The virus integrates into long-lived immune system cells and remains dormant in those cells for many years.HIV's ability to hide its instructions inside of cells where drugs cannot reach it.

8 0
2 years ago
Assessment by the home health nurse of an older client who lives alone indicates that the client has chronic constipation. Daily
charle [14.2K]

Answer:

Increased hydration, increased fiber in the clients diet, and possibly see his medical provider for pharmaceutical intervention if necessary.

Explanation:

8 0
3 years ago
Other questions:
  • After sunset what can be expected with the cooling rate of soil compared
    8·1 answer
  • If a homozygous dominant parent and a heterozygous parent are crossed, what percentage of the offspring are expected to be homoz
    13·2 answers
  • When you are hot, blood vessels in the dermis ____________ in order to maintain homeostasis?
    10·1 answer
  • Match each organism with the correct description.
    7·2 answers
  • Which event takes place first in the stages before the birth of a star? Gravity pulls gas and dust together. A protostar forms a
    14·2 answers
  • 1. A bacteria cell that divides to create two exact copies of itself is an
    9·2 answers
  • Two students were having a discussion about viruses.
    5·2 answers
  • Helpppppppppppppppppp
    9·1 answer
  • Why are different leads are used to measure the ECG
    5·1 answer
  • What evidence suggests that proteins are synthesized and modified in the rough er as opposed to the smooth er?
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!