Answer:
D. they are usually dominant or recessive.
Explanation:
alleles are pairs of genes found on a particular spot a chromosome. If one is dominant over the other it give rise to a particular trait.
Answer:
C. Respiration.
Explanation:
To respirate means to breath and breathing takes oxygen out of the atmousphere. And it was the only one that made sence.
Answer:
Write a short note on: exercise of the neck
Answer;
-Arousal, metabolism, growth and sex
The endocrine system is directly involved with arousal, metabolism, growth and sex.
Explanation;
The endocrine system is the collection of glands that produce hormones that regulate metabolism, growth and development, tissue function, sexual function, reproduction, sleep, and mood, among other things.
-These hormones regulate the body's growth, metabolism (the physical and chemical processes of the body), and sexual development and function. The hormones are released into the bloodstream and may affect one or several organs throughout the body.
-Hormones are chemical messengers created by the body, whose role is to transfer information from one set of cells to another to coordinate the functions of different parts of the body.
