[Answered] Cardiac muscle tissue, or _____, makes up the major portion of the heart. A) myocardium B) ...

This topic contains a solution. Click here to go to the answer

Author Question: Cardiac muscle tissue, or _____, makes up the major portion of the heart. A) myocardium B) ... (Read 69 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

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

Wow, this really help

kthug

Member
Posts: 332

Reply 3 on: Yesterday

Great answer, keep it coming

« previous next »

Did you know?

There are more bacteria in your mouth than there are people in the world.

Did you know?

About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.

Did you know?

The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

Did you know?

Anti-aging claims should not ever be believed. There is no supplement, medication, or any other substance that has been proven to slow or stop the aging process.

Did you know?

Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.