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

Author Question: The _____ are only one cell in thickness and are the smallest blood vessels in the body. A) ... (Read 49 times)

Chelseaamend

  • Hero Member
  • *****
  • Posts: 545
The _____ are only one cell in thickness and are the smallest blood vessels in the body.
 A) arterioles
  B) venules
  C) capillaries
  D) coronary arteries

Question 2

Hormones are secreted directly into the bloodstream by ___________________ _ glands.
 Fill in the blank(s) with correct word



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

smrerig

  • Sr. Member
  • ****
  • Posts: 325
Answer to Question 1

C

Answer to Question 2

endocrine




Chelseaamend

  • Member
  • Posts: 545
Reply 2 on: Jun 26, 2018
Wow, this really help


rleezy04

  • Member
  • Posts: 322
Reply 3 on: Yesterday
Excellent

 

Did you know?

Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

Did you know?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

Did you know?

Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.

Did you know?

The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

Did you know?

In the United States, congenital cytomegalovirus causes one child to become disabled almost every hour. CMV is the leading preventable viral cause of development disability in newborns. These disabilities include hearing or vision loss, and cerebral palsy.

For a complete list of videos, visit our video library