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labwork [276]
3 years ago
9

Pleazz helpp.. why do you think holding your breath or breathing into a bag effects the pulse rate??

Biology
1 answer:
Mice21 [21]3 years ago
6 0
It's all dependent on the amount of oxygen your lungs take in and deliver to the heart
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PLEASE PLEASE PLEASE HELP ME!!!!!!! THIS IS MY LAST QUESTION ON MY TEST AND I JUST WANNA BE DONE ALREADY!!!!!!!!!!!!!!!
Allushta [10]

the correct answer is habitat fragmentation

3 0
2 years ago
1. A dominant gene (A) causes yellow color in rats, the dominant allele on another independent gene (R) produces black coat colo
Novosadov [1.4K]

Answer:

Parents: Yellow (Aarr) and Grey (AaRr)

Explanation:

Given:

allele A = yellow

allele R = black,

Heteroozygous = gray

Genotypes of the parents:

yellow (Aarr) - female

gray (AaRr) - gray

cross between these

Parents: Yellow (Aarr)  and Grey (AaRr)

Gametes: (Ar, ar) and (AR, Ar, aR, ar)

F1 (Punnet square)

----|----- AR ------|------- Ar ------|------ aR -----|----- ar

Ar | AARr (gray) | AArr (yellow) | AaRr (gray) | Aarr (yellow)

ar | AaRr (gray) | Aarr (yellow) | aaRr (black) | aarr (cream)

Ratio: 3/8 yellow : 3/8 gray : 1/8 cream : 1/8 black

6 0
2 years ago
what part of the brain controls body tempertaure and coordinates cardiovascular, respiratory, digestive, excretory functions
Lina20 [59]

Answer:

Hypothalamus

Explanation:

6 0
2 years ago
The Moon is 240,000 miles away from the Earth. What prediction can
sergiy2304 [10]

Answer:

The closer the moon the higher the tides. The further away the moon is, the lower the tides will be

Explanation:

7 0
3 years ago
Read 2 more answers
Which two (2) statements are correct examples of the “structure determines function” relationship among specialized cells in an
Nady [450]

Answer:

A and E are the correct.

Explanation:

Examples of the structures that determine function:

a) <u>Chloroplasts </u>only found in plant cells. They work to fix the CO2 in the presence of <u>light energy</u> (sunlight) and convert the reactants into <u>sugar molecules (carbohydrates</u>) that can be used by cells for metabolic functioning.

e) <u>Sperm</u> is the male reproductive cell. Motile sperm cells have a tail-like structure that typically <u>move via flagella</u> and requires a water medium in order to swim toward the egg <u>for fertilization</u>.

Other options are not correct because <u>they don't explain their function according to their structure</u>.

6 0
3 years ago
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