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
Anna [14]
3 years ago
14

A new recruit in the armed forces stands at attention on a hot afternoon. He decides to lock his knees, thinking it will make th

e standing easier. After a short while, he faints. What has occurred?
Biology
1 answer:
Bess [88]3 years ago
7 0
There are no options to choose from and this makes it hard to answer the question. I hope my answer is correct and comes to your help. The reason that the new recruit fainted was that he did not use muscular compression to return the blood to the heart and thus his brain became devoid of oxygenated blood, resulting in the new recruit getting fainted.
You might be interested in
Help me please. Its a timed assignment I have 10 mins left.
dmitriy555 [2]

Answer:

characteristics variety domesticated then crossbreed hope this helps.

Explanation:

i know a lot

8 0
3 years ago
Read 2 more answers
A cyclist starts a race. As she pedals, she begins to breath faster. Why? plz answer fast!!!
Advocard [28]

Answer: Her body begins doing cellular respiration

Explanation: She needs her electron transport chain to function to produce 34+ ATP. The E.T.C. Needs oxygen to work, so she needs to increase her oxygen input. She breathes more to increase the flow of oxygen. Her heart also beats faster because she needs more oxygen to spread to her body.

7 0
3 years ago
genetics and the environment both play roles in cell differentiation. which is the best example of an environmental factor influ
In-s [12.5K]

Answer: etiolation of plant growth in shade, with fast growing cell without chloroplasts. Out of shade, cell differentiate again to produce photosynthesising cells

Explanation: It is a subjective decision as to what is ‘best’. Good examples are plant responses to changes in the nutrient supply.

when soil nitrogen is depleted some plants, such as legumes, grow nodules on their roots, with cells that release chemical signals to attract nitogen fixing bacteria.

Lack of light induces etiolation in many plants. New cells elongate and develop without chloroplasts, with rapid cell division exhibiting gravitropism, extending upward. When they grow beyond the shade area, cell differentiation changes again, to produce photosynthesising cells.

7 0
3 years ago
Which of the following statements is INCORRECT? Which of the following statements is INCORRECT? Stratified squamous epithelia ar
Eduardwww [97]

Answer:

Simple cuboidal epithelia are found in areas that stretch.

Explanation:

The simple cuboidal epithelium consists of a single layer of cuboid cells with a centrally located nucleus. The cells of this epithelial tissue are mostly involved in secretion and absorption and therefore, are found in the lining of ovaries, lining of kidney tubules and gland ducts.

Transitional epithelium is like a stratified cuboidal epithelium when not stretched. Its cells become flatter when the tissue is stretched. It has multiple cell layers and elasticity and therefore, is found in the lining of the urinary bladder and parts of ureter and urethra to allow stretching of these organs.

8 0
3 years ago
Which nutrition tip would you not recommend?
Julli [10]

Answer:

b. It is recommended to go long periods of time without eating to loose weight.

Explanation:

Spending long periods of time without eating is not the right thing to do when you want to lose weight. Spending too much time fasting does not guarantee weight loss, and causes serious illnesses that threaten, among other things, the heart.

A recent survey by nutritionist Roberta Cassani of the Institute of Nutrition in Itu, São Paulo state, shows that the greater the number of hours without putting anything in the mouth, does not help anyone lose weight, on the contrary, fasting causes the increase of the circumference of the abdomen.

According to the scientist, the main reason that prolonged fasting is an enemy of the waist is that the meal set up after this period of scarcity is usually an example of caloric and nutritional imbalance - in the research, fasting usually occurred in the afternoon. “When they have access to food, the greedy individual does not make healthy choices,” explains the expert. Being deprived of energy, the body triggers a whole mechanism that favors the binge eating, the result is that the individual gets fat.

8 0
3 years ago
Other questions:
  • Which words can also be used to describe primary<br> consumers?
    12·1 answer
  • What is the capacity of the cube in liters?
    14·2 answers
  • What nerve transmits sound impulses to the brain?
    9·2 answers
  • This biome contains a nutrient-rich environment created by falling leaves and trapped organic materials from the large trees
    12·1 answer
  • Multicellular organisms can be organized into what other levels?
    12·1 answer
  • CAN SOMEONE HELP ME PLEASEEE !
    9·2 answers
  • (RM.04)
    8·2 answers
  • Glucose molecules from food sources provide energy to the cells of the human body. After a person eats, the level of glucose in
    10·1 answer
  • Choose the equation that relates work to force and distance.
    9·1 answer
  • 1) What do u mean by cyclone ?​
    9·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!