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

Author Question: Cardiac muscle tissue, or _____, makes up the major portion of the heart. A) myocardium B) ... (Read 64 times)

Mollykgkg

  • Hero Member
  • *****
  • Posts: 529
on: Feb 27, 2019
Cardiac muscle tissue, or _____, makes up the major portion of the heart.
 A) myocardium
  B) pericardium
  C) endocardium
  D) septum

Question 2

The _____ sends out an electrical impulse that begins and regulates the heartbeat.
 A) AV node
  B) SA node
  C) Purkinje fibers
  D) AV bundle


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

djpooyouma

  • Sr. Member
  • ****
  • Posts: 325
Reply #1 on: Feb 27, 2019
Answer to Question 1

A

Answer to Question 2

B


Mollykgkg

  • Member
  • Posts: 529
Reply 2 on: Feb 27, 2019
Excellent

shailee

  • Member
  • Posts: 392
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

Did you know?

The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

Did you know?

Women are two-thirds more likely than men to develop irritable bowel syndrome. This may be attributable to hormonal changes related to their menstrual cycles.

Did you know?

The largest baby ever born weighed more than 23 pounds but died just 11 hours after his birth in 1879. The largest surviving baby was born in October 2009 in Sumatra, Indonesia, and weighed an astounding 19.2 pounds at birth.

Arteries and veins around the heart. Arteries and veins around the heart.
Cardiac circulation Cardiac circulation
Heart Model Heart Model
The heart: interior view of the heart chambers. The heart: interior view of the heart chambers.
Apply pincer pressure to TrPs in sternocleidomastoid (SCM) muscle. Turn head to side to expose SCM; ... Apply pincer pressure to TrPs in sternocleidomastoid (SCM) muscle. Turn head to side to expose SCM; ...
Major muscles of the human musculoskeletal system Major muscles of the human musculoskeletal system
Video: Muscle Twitch and Muscle Tension - Motor unit size and force

For a complete list of videos, visit our video library