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posledela
2 years ago
14

The first period of menstruation at the onset of puberty is known as

Biology
1 answer:
Ray Of Light [21]2 years ago
4 0
Menarche and is usually smaller then the upcoming ones
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List what body systems perform the following life processes- growth, respiration, nutrition. What organelle performs nutrition,
Paha777 [63]

Answer:

for respiration lungs,nose

for nutrition mouth and stomach

for reproduction various reproduction organs like penis and vagina

growth -

excretory - skin(sweat) ueltra blader kidney liver

Explanation:

4 0
3 years ago
The rate and direction of reactions are greatly influenced by the _____.
VladimirAG [237]
The rate and direction of reactions are greatly influenced by the Law of Mass action or molecular concentration because they relate to the same principle 
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3 years ago
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In class we also talked about the metabolism of HDL particles.
zhuklara [117]

Answer:

Explanation:

The basis for the inverse relationship between number of matured HDL in circulation and and cardiovascular disease is that when new HDL entertainment circulation they mature by picking up extra cholesterol until they become mature and high cholesterol level is a major cause of cardiovascular disease and atherosclerosis. The implication of this is that the more the number of matured HDL in circulation, the lower the cholesterol level in the blood thus the lower the risk of cardiovascular disease and atherosclerosis.

3 0
2 years ago
Iodine is a yellowish solution. A starch solution is white. A starch solution turns purplish-black in the presence of iodine. If
cupoosta [38]

Answer:

The correct answer will be- the color change will be observed and the solution will turn purplish-black.

Explanation:

Iodine test is performed to test the presence of the carbohydrates mainly starch.

The iodine solution is chemically called potassium iodide which forms a yellow solution. The potassium iodide solution forms a complex with a starch solution which appears a purplish-black color which shows the presence of the carbohydrates.

In the given question, if we add the iodine solution to the beaker after a certain point of time then it will still form a complex with the starch and thus beaker solution will appear darker in color.

6 0
2 years ago
Question is below :)
cricket20 [7]
For the first question-a bicep is a large muscle in the upper arm which flexes the arm and forearm, a tricep is a large muscle at the back of the upper arm and a deltoid is a thick triangular muscle covering the shoulder joint and used for raising the arm away from the body.
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2 years ago
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