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vovikov84 [41]
3 years ago
6

The body protects itself from the cold by dilating the blood vessels and increasing blood flow

Biology
1 answer:
Gemiola [76]3 years ago
3 0

Answer: B false

Blood vessels can shrink down again - vasoconstriction. This reduces heat loss through the skin once the body's temperature has returned to normal.

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Other nutrients will require a transporter in the membrane, as well as a concentration gradient. This process of ____________ is
Savatey [412]

Answer:

Facilitated diffusion

Explanation:

Facilitated diffusion is the process of diffusion in which ion or some substances are transported across the membrane by a specific carrier membrane protein. The process does not require the input of energy and is driven by a concentration gradient.  

The absorption of simple sugars in small intestine occurs through facilitated diffusion. The polar sugar molecules can not cross the nonpolar inner core of the membrane. Hence, the membrane proteins transport the sugars down the concentration gradients without any input of energy.  

3 0
3 years ago
What does the acid do in the stomach along with breaking down food in a monogastric digestive system.
Nadusha1986 [10]

Answer:

C

Explanation:

A, B, and D are done by other things, but acid can also be used to get rid of unneeded/wanted bacteria or organisms.

6 0
3 years ago
The nurse finds that a patient has a blood pressure of 140/90 mm hg and has constricted bronchioles. which drug regimen will ens
erik [133]
There are choices for this question namely:

Carvedilol
Betaxolol
Acebutolol
Propranolol
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The correct answers are "betaxolol", "acebutolol",and "metoprolol". These drugs are from the class called beta blockers as they inhibition the action of beta receptors in the heart leading to a decrease in heart rate and blood pressure. There are also beta receptors in the bronchial tree, an inhibition of which will lead to bronchoconstriction.

Betaxolol, acebutolol, and metoprolol are cardioselective beta blockers and only blocks the beta receptors located in the heart. Carvedilol and propranolol are non-selective beta blockers that can cause bronchoconstriction which is contraindicated in patients with asthma.
4 0
3 years ago
What causes surface runoff?
andrey2020 [161]

Answer:

B

Explanation:

The more the soil absorbs water the less space there is for the soil to absorb more therefore it runs off.

5 0
3 years ago
Name the two types of reproduction in plant​
Schach [20]

Answer:

Sexual or asexual

Explanation:

3 0
4 years ago
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