The heart’s electrical system is responsible for making and conducting signals that trigger the heart to beat. These signals cause the heart’s muscle to contract. With each contraction, blood is pumped throughout the body. This happens 24/7 without us having to monitor it all the time so that our heart does not stop.
Genotype of heterozygous purple plant is: Pp
Cross = Pp × Pp
Offspring: = PP, Pp, Pp, pp
Pp, PP and pp is your answer
:D hope it helps
Partial or complete loss of hearing can be caused by damage to the; I, II, and III, that is, the axons of the neurons associated with each hair cell that carry information to the brain, hair cells in the cochlea and also the tympanic membrane. Hearing impairment, deafness or hearing loss is the inability to hear things, either totally or partially. This may be caused by injury or diseases that damages the parts responsible for hearing process.
This is possible by having different stem cells for different types of cells which then have different genes activated to make cells different
Answer:
panic disorder
Explanation:
The complete question is as follows:
John has sudden attacks of intense fear in which he experiences palpitations, he feels dizzy, and he has trouble catching his breath. During these attacks, he worries that he is going to die. From this description, it sounds like John has _____.
A. Schizophrenia
B. obsessive-compulsive disorder
C. panic disorder
D. generalized anxiety disorder
- When a person experiences repeated panic attacks then the person is said to suffer from panic disorder.
- During a panic attack the person experiences the following symptoms :
- palpitations
- sweating
- shaking
- numbness
- shortness of breath
- Panic attacks may be caused due to different reasons such as past abuse, smoking, etc.
- it is a form of extreme anxiety.
- Since John is displaying the symptoms as stated above he is suffering from panic disorder.
