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natulia [17]
3 years ago
11

2. A student ran around a circular track. Which statement best describes the motion of the student while running?​

Biology
1 answer:
Artist 52 [7]3 years ago
6 0

Answer:

Circle-ular

Explanation:

~

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Match each cellular defense with the infection it would most likely target.
Fynjy0 [20]

Answer:

(A) Natural killer- virus-infected cell.

(C) Neutrophil - bacteria in skin lesion.

(B) Eosinophil -  tapeworm in the intestines.

Explanation:

<u>Natural killer cells</u> are a type of the cytotoxic lymphocyte that are critical to the innate immune system. NK cells are the cells which provide rapid responses to the <u>virus-infected cells</u>.

<u>Neutrophils</u> are type of the phagocyte which are found in bloodstream. During beginning of the acute phase of inflammation particularly which are a result of the <u>bacterial infection</u>, neutrophils are the first-responders of the inflammatory cells to migrate towards inflammation's site.

<u>Eosinophils</u> are variety of the white blood cells which are responsible for combating <u>parasites</u> and also certain infections. Thus it will mostly target <u>tapeworm in the intestine</u>.

4 0
3 years ago
What is the relationship between propagation and density change?
DerKrebs [107]

Answer: Density affect propagation.

Density is mass per unit volume of a substance.

A substance that is more sense has more mass per unit volume, it will make sound to transmit at slower rate . Less dense substance will allow sound to transmit at higher rates. Density affect the speed a wave will be transmitted through it. The denser the material, the slower wave will be transmitted.

Explanation:

Density is Mass per unit volume. Density affect the propagation of wave. The denser the substance, the slower wave will be transmitted through it. The less dense the material, the higher wave will be transmitted through it. Density affect the speed of wave.

8 0
3 years ago
The crossed extension reflex is the contraction of the extensors on one side of the body when the flexors are contracted on the
Dvinal [7]

ANSWER – TRUE

 

The crossed extension reflex is a withdrawal reflex. The main idea here is that when the flexor muscles on one side of the body are contracted, there is the occurrence of a reflex contraction of the extensors on the other side.

4 0
3 years ago
Add your results to those of your partner to produce a total of 20 tosses. Assuming that you expect ten heads and ten tails in 2
patriot [66]

Answer:

the results are 3 away from being a 50/50 which are expected results

Explanation:

i flipped a coin 20 times and it landed on heads 13 times and tails 7 times

3 0
3 years ago
In normal cells, glucose is broken down aerobically and fed into the citric acid cycle to produce, among other things, lots of A
Zielflug [23.3K]

Explanation:

Its was discovered back in the 1920s, by Dr. Ralph DeBerardinis and Dr. Joshua Rabinowitz that cancer cells prefer not to rely on the citric acid cycle like healthy cells do. Instead, they turn most of their pyruvate (SALT) into lactate, which then releases. Because cancer cells consume so much glucose, they end up producing a lot of lactate.

The Circle of Lactate: How cancer cells can reuse their own waste

by Lara Roach

Feb 13, 2018

8 0
3 years ago
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