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

Author Question: In the third through eighth weeks of a human pregnancy, the developing organism is referred to as ... (Read 98 times)

Deast7027

  • Hero Member
  • *****
  • Posts: 538
on: Jun 21, 2018
In the third through eighth weeks of a human pregnancy, the developing organism is referred to as a(n)
 
  a. zygote.
 b. embryo.
 c. blastocyst.
 d. fetus.

Question 2

The arrival of an action potential in a muscle fiber causes
 
  a. calcium to enter the muscle fiber.
 b. calcium to be released by internal organelles.
 c. acetylcholine to enter the muscle fiber.
 d. acetylcholine to be released by internal organelles.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ndhahbi

  • Sr. Member
  • ****
  • Posts: 390
Reply #1 on: Jun 21, 2018
Answer to Question 1

b

Answer to Question 2

b


Deast7027

  • Hero Member
  • *****
  • Posts: 538
Reply #2 on: Jun 21, 2018
Thank you


ndhahbi

  • Sr. Member
  • ****
  • Posts: 390
Reply #3 on: Jun 21, 2018
No problem :)


« previous next »
 

Did you know?

Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

Did you know?

Carbamazepine can interfere with the results of home pregnancy tests. If you are taking carbamazepine, do not try to test for pregnancy at home.

Did you know?

Stevens-Johnson syndrome and Toxic Epidermal Necrolysis syndrome are life-threatening reactions that can result in death. Complications include permanent blindness, dry-eye syndrome, lung damage, photophobia, asthma, chronic obstructive pulmonary disease, permanent loss of nail beds, scarring of mucous membranes, arthritis, and chronic fatigue syndrome. Many patients' pores scar shut, causing them to retain heat.

Did you know?

About 80% of major fungal systemic infections are due to Candida albicans. Another form, Candida peritonitis, occurs most often in postoperative patients. A rare disease, Candida meningitis, may follow leukemia, kidney transplant, other immunosuppressed factors, or when suffering from Candida septicemia.

Did you know?

About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

Human 5 weeks old Human 5 weeks old
Human eye Human eye
The Human Ear The Human Ear
Postural changes with pregnancy in 36 weeks Postural changes with pregnancy in 36 weeks
A human pedigree of the X-linked color-blindness trait A human pedigree of the X-linked color-blindness trait
Genome annotation of human chromosome 21 Genome annotation of human chromosome 21
Video: System organization - PPM system types (Somatic, Autonomic & Enteric) and Reflex arc types

For a complete list of videos, visit our video library