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
Law Incorporation [45]
3 years ago
8

What are tears made up of (I know it's a liquid)

Biology
1 answer:
just olya [345]3 years ago
5 0
Water, mucin, lipids, lysozyme, lactoferrin, lipocalin, lacritin, immunoglobulins, glucose, urea, sodium, and potassium (sodium = salty)
You might be interested in
Match the following with its description. A. acetylcholine B. norepinephrine C. cholinergic nicotinic receptor D. adrenergic rec
aev [14]

Answer:

The correct answer is - option D. adrenergic receptor.

Explanation:

Adrenergic receptors are present on or in the effector cells that are specific molecular structures. The adrenergic receptors are glycoproteins that are present on the cell surface that binds and recognize with the various hormones or drugs such as norepinephrine or epinephrine and others.

These are the receptors that are sympathetic tissue receptors that get drugs or hormones released from the sympathetic nerve endings and the adrenal glands.

Thus, the correct answer is - option D. adrenergic receptors.

3 0
4 years ago
How can we improve crop production​
Sonbull [250]

Answer:

Improve Soil, Increase Crop Yield to increase crop yield, start from the ground up. Testing soils. Plant Early, Plant Effectively. Practice Seasonal Soil Rotation

4 0
3 years ago
Read 2 more answers
The allele pairs of an individual organism are called its?
11111nata11111 [884]
Genotype because it means, the genetic makeup of an organism determined by it's alleles.
7 0
3 years ago
The generation of an action potential in a neuron requires the presence what type of membrane channels?
Solnce55 [7]
The generation of an action potential in a neuron requires the presence of<span> voltage-gated channels, which are </span><span> a class of transmembrane proteins that form ion channels that are activated by changes in the electrical membrane potential near the <span>channel.</span></span>
7 0
3 years ago
One major difference between plant and animal cells is that plant cells are the only ones with
iris [78.8K]
Chloroplasts, the cell<span> wall, and vacuoles

</span>
3 0
3 years ago
Other questions:
  • why does the ability to lay 1,000 to 5,000 eggs increase the fitness of the species L. clamitans clamitans?
    10·1 answer
  • Stomatas are pores on the plant leaf that control the flow of gases between the environment and the plant cells. This process he
    11·1 answer
  • Name for large bases containing two carbon-nitrogen rings
    15·1 answer
  • Identify all key stretches that point to the expectedstretches
    13·1 answer
  • What regulates a chemical reaction?
    15·1 answer
  • Explain about Photosynthesis . ?​
    15·2 answers
  • In waves, refraction occurs when...
    10·1 answer
  • Which of these has hemoglobin release oxygen?
    9·1 answer
  • What are El Nino and La Nina in science?<br><br> Will give brainliest
    15·2 answers
  • What number is ten times greater than 40?
    15·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!