Why Is It Important That Blood Move Very Slowly Through

question 85

Multiple Choice

Why is it important that blood move very slowly through the capillaries?

• A)To allow for adequate molecular exchange between the blood and the tissues
• B)So the red blood cells won't be damaged
• C)This system would actually work more efficiently if blood passed through capillaries more quickly.

---

Definitions:

Ejaculatory Duct

Duct formed by the union of the ductus deferens and the excretory duct of the seminal vesicle; opens into the prostatic urethra.

Epididymis

A long, coiled tube that is connected to the posterior surface of the testis, responsible for storing and transporting sperm cells that are produced in the testes.

Seminal Vesicle

One of two glandular structures that empty into the ejaculatory ducts; its secretion is one of the components of semen.

Testosterone

A primary male sex hormone that plays a key role in the development of male reproductive tissues, as well as promoting secondary sexual characteristics such as increased muscle and bone mass.