This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: The _____ is considered the pacemaker of the heart. A) sinoatrial node B) atrioventricular node ... (Read 80 times)

tth

  • Hero Member
  • *****
  • Posts: 579
on: Jul 3, 2018
The _____ is considered the pacemaker of the heart.
 
  A) sinoatrial node
   B) atrioventricular node
   C) Purkinje fiber
   D) bundle branch

Question 2

A deadly toxin derived from the processing of castor beans is:
 
  a. Botulism
  b. Smallpox
  c. Ricin
  d. Sarin


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Sarahjh

  • Sr. Member
  • ****
  • Posts: 370
Reply #1 on: Jul 3, 2018
Answer to Question 1

A

Answer to Question 2

d
Rationale: a. Botulism is a bacteria.
b. Smallpox is a virus.
c. Correct.
d. Sarin is a nerve agent.


tth

  • Member
  • Posts: 579
Reply 2 on: Jul 3, 2018
Great answer, keep it coming :)

smrtceo

  • Member
  • Posts: 344
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

Did you know?

Though methadone is often used to treat dependency on other opioids, the drug itself can be abused. Crushing or snorting methadone can achieve the opiate "rush" desired by addicts. Improper use such as these can lead to a dangerous dependency on methadone. This drug now accounts for nearly one-third of opioid-related deaths.

Did you know?

There are more sensory neurons in the tongue than in any other part of the body.

Did you know?

In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

Did you know?

Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.

Tissues of Heart Tissues of Heart
Human Heart Cir Human Heart Cir
Arteries and veins around the heart. Arteries and veins around the heart.
Heart Model 2 Heart Model 2
Heart Heart
Heart (transparent) Heart (transparent)
Video: Methods that regulate pH

For a complete list of videos, visit our video library